Betulin - 98%, high purity , CAS No.473-98-3

  • ≥98%
Item Number
B129170
Grouped product items
SKUSizeAvailabilityPrice Qty
B129170-1g
1g
In stock
$101.90
B129170-5g
5g
In stock
$147.90
B129170-25g
25g
In stock
$662.90
B129170-100g
100g
In stock
$2,385.90
View related series
terpenes

Basic Description

SynonymsBetulin | 473-98-3 | Betulinol | Betuline | Trochol | Betulol | Lup-20(29)-ene-3b,28-diol | Betulinic alcohol | Lup-20(29)-ene-3beta,28-diol | (+)-betulin | Lup-20(30)-ene-3beta,28-diol | NSC 4644 | NSC-4644 | 6W70HN7X7O | CHEBI:3086 | (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-(H
Specifications & Purity≥98%
Biochemical and Physiological MechanismsBetulin is a triterpene with a pentacyclic ring structure and hydroxyl groups in positions C3 and C28. Studies indicate that Betulin can effect intracellular signaling in ethanol-induced liver cells via inhibiting ROS, TNFα and TNFβ. In human cancer cells
Storage TempStore at 2-8°C
Shipped InWet ice
Product Description

A triterpene with a pentacyclic ring structure.It can be used in the preparation of betulinic acid,which shows anti-HIV, antimalarial and anti-inflammatory activities.

Associated Targets(Human)

ENTPD1 Tchem Ectonucleoside triphosphate diphosphohydrolase 1 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
CDC42 Tchem Cell division control protein 42 homolog (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
PYGM Tchem Glycogen phosphorylase, muscle form (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
PTPN1 Tchem Tyrosine-protein phosphatase non-receptor type 1 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
HDAC6 Tclin Histone deacetylase 6 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
SLCO1B1 Tchem Solute carrier organic anion transporter family member 1B1 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
SLCO1B3 Tchem Solute carrier organic anion transporter family member 1B3 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
RELA Tchem Transcription factor p65 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
TOP1 Tclin DNA topoisomerase 1 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
TOP2A Tclin DNA topoisomerase 2-alpha (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
RHOA Tbio Transforming protein RhoA (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
RAC1 Tbio Ras-related C3 botulinum toxin substrate 1 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
PTGS2 Tclin Prostaglandin G/H synthase 2 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
PRKCB Tchem Protein kinase C beta type (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
PRKCE Tchem Protein kinase C epsilon type (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
NR1H4 Tclin Bile acid receptor (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
ACHE Tclin Acetylcholinesterase (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
NT5E Tchem 5'-nucleotidase (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
BCHE Tclin Cholinesterase (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
GPBAR1 Tchem G-protein coupled bile acid receptor 1 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
SLC10A1 Tclin Sodium/bile acid cotransporter (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
TOP1 Tclin DNA topoisomerase I (7553 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TOP2A Tclin DNA topoisomerase II alpha (6317 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ACHE Tclin Acetylcholinesterase (18204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTGS2 Tclin Cyclooxygenase-2 (13999 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AMY2A Tclin Pancreatic alpha-amylase (74 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PRKCE Tchem Protein kinase C epsilon (1520 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NR1H4 Tclin Bile acid receptor FXR (6228 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A-375 (9258 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A498 (42825 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ACHN (49357 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BGC-823 (3035 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BXPC-3 (2997 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CAKI-1 (44928 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CAPAN-1 (772 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CCRF-CEM (65223 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DLD-1 (17511 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DU-145 (51482 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HL-60 (67320 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HT-29 (80576 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
K562 (73714 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KM12 (47707 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
M14 (47487 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MCF7 (126967 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MOLT-4 (49676 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MT4 (17854 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OVCAR-3 (48710 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OVCAR-5 (45555 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OVCAR-8 (47708 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PANC-1 (6144 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PC-3 (62116 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Raji (5516 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RXF 393 (41971 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SF-295 (48000 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SiHa (2051 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SK-MEL-2 (46422 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SK-MEL-28 (48833 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SK-MEL-5 (47095 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SN12C (47755 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SNB-19 (46794 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TK-10 (45540 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
U-251 (51189 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UACC-257 (46019 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UO-31 (46270 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
WI-38 VA13 (346 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
786-0 (47912 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADR5000 cell line (115 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A549 (127892 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NCI/ADR-RES (33767 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
T47D (39041 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MIA PaCa-2 (5949 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID

Associated Targets(non-human)

pol Human immunodeficiency virus type 1 reverse transcriptase (18245 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Prkcb Protein kinase C beta (2 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ENTPD1 Ectonucleoside triphosphate diphosphohydrolase 1 (16 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Ptpn1 Protein-tyrosine phosphatase 1B (270 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Pseudomonas aeruginosa (123386 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Staphylococcus aureus (210822 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Staphylococcus epidermidis (22802 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Proteus mirabilis (3894 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Salmonella (646 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Bacillus pumilus (984 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Bacillus subtilis (32866 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mycobacterium tuberculosis (203094 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Enterococcus faecalis (29875 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Bacillus cereus (7522 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Priestia megaterium (1154 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Listeria innocua (140 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mycolicibacterium smegmatis (8003 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Trypanosoma brucei brucei (13300 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Candida albicans (78123 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Human alphaherpesvirus 2 (4932 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Human betaherpesvirus 5 (5122 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Human alphaherpesvirus 1 (11089 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Human immunodeficiency virus 1 (70413 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Semliki Forest virus (705 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Vesicular stomatitis virus (4460 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Staphylococcus saprophyticus (562 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Human adenovirus 5 (897 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
B16 (5829 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MDCK (10148 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PC-12 (7051 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Vero (26788 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BV-2 (3710 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NIH3T3 (5395 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
L929 (3802 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
J774 (3120 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Slc10a1 Bile acid transporter (65 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PYGM Glycogen phosphorylase, muscle form (1331 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BCHE Cholinesterase (8742 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Phytophthora cactorum (113 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Salmonella enterica subsp. enterica (623 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SARS-CoV-2 (38078 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Enterovirus E (52 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID

Names and Identifiers

IUPAC Name (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-(hydroxymethyl)-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysen-9-ol
INCHI InChI=1S/C30H50O2/c1-19(2)20-10-15-30(18-31)17-16-28(6)21(25(20)30)8-9-23-27(5)13-12-24(32)26(3,4)22(27)11-14-29(23,28)7/h20-25,31-32H,1,8-18H2,2-7H3/t20-,21+,22-,23+,24-,25+,27-,28+,29+,30+/m0/s1
InChi Key FVWJYYTZTCVBKE-ROUWMTJPSA-N
Canonical SMILES CC(=C)C1CCC2(C1C3CCC4C5(CCC(C(C5CCC4(C3(CC2)C)C)(C)C)O)C)CO
Isomeric SMILES CC(=C)[C@@H]1CC[C@]2([C@H]1[C@H]3CC[C@@H]4[C@]5(CC[C@@H](C([C@@H]5CC[C@]4([C@@]3(CC2)C)C)(C)C)O)C)CO
WGK Germany 3
RTECS OK5755000
PubChem CID 72326
Molecular Weight 442.72
Beilstein 6(3)5234
Reaxy-Rn 2064515

Certificates

Certificate of Analysis(COA)

Enter Lot Number to search for COA:

To view the certificate results,please click on a Lot number.For Lot numbers from past orders,please use our order status section

5 results found

Lot NumberCertificate TypeDateItem
K1925126Certificate of AnalysisSep 08, 2023 B129170
J1815138Certificate of AnalysisAug 05, 2022 B129170
E2223013Certificate of AnalysisMar 01, 2022 B129170
E2223015Certificate of AnalysisMar 01, 2022 B129170
E2223016Certificate of AnalysisMar 01, 2022 B129170

Chemical and Physical Properties

Specific Rotation[α]19° (C=2,Pyridine)
Melt Point(°C)256-257°C

Safety and Hazards(GHS)

Pictogram(s) GHS08,   GHS07
Signal Warning
Hazard Statements

H315:Causes skin irritation

H319:Causes serious eye irritation

H335:May cause respiratory irritation

H302:Harmful if swallowed

H312:Harmful in contact with skin

H332:Harmful if inhaled

H371:May cause damage to organs

Precautionary Statements

P261:Avoid breathing dust/fume/gas/mist/vapors/spray.

P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.

P280:Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352:IF ON SKIN: wash with plenty of water.

P321:Specific treatment (see ... on this label).

P405:Store locked up.

P501:Dispose of contents/container to ...

P264:Wash hands [and …] thoroughly after handling.

P260:Do not breathe dust/fume/gas/mist/vapors/spray.

P271:Use only outdoors or in a well-ventilated area.

P270:Do not eat, drink or smoke when using this product.

P304+P340:IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P403+P233:Store in a well-ventilated place. Keep container tightly closed.

P362+P364:Take off contaminated clothing and wash it before reuse.

P330:Rinse mouth.

P264+P265:Wash hands [and …] thoroughly after handling. Do not touch eyes.

P301+P317:IF SWALLOWED: Get medical help.

P317:Get emergency medical help.

P337+P317:If eye irritation persists: Get medical help.

P308+P316:IF exposed or concerned: Get emergency medical help immediately.

P332+P317:If skin irritation occurs: Get medical help.

P319:Get medical help if you feel unwell.

WGK Germany 3
RTECS OK5755000
Reaxy-Rn 2064515
Merck Index 1189

Related Documents

References

1. Genet C, Strehle A, Schmidt C, Boudjelal G, Lobstein A, Schoonjans K, Souchet M, Auwerx J, Saladin R, Wagner A.  (2010)  Structure-activity relationship study of betulinic acid, a novel and selective TGR5 agonist, and its synthetic derivatives: potential impact in diabetes..  J Med Chem,  53  (1): (178-90).  [PMID:19911773]
2. Liwei Fu,Shujun Zhang,Na Li,Jinlan Wang,Ming Zhao,Junichi Sakai,Toshiaki Hasegawa,Tomokazu Mitsui,Takao Kataoka,Seiko Oka,Miwa Kiuchi,Katutoshi Hirose,Masayoshi Ando.  (2005-02-26)  Three new triterpenes from Nerium oleander and biological activity of the isolated compounds..  Journal of natural products,  68  ((2)): (198-206).  [PMID:15730243]
3. Jan Sarek,Miroslav Kvasnica,Milan Urban,Jiri Klinot,Marian Hajduch.  (2005-07-30)  Correlation of cytotoxic activity of betulinines and their hydroxy analogues..  Bioorganic & medicinal chemistry letters,  15  ((19)): (4196-4200).  [PMID:16051489]
4. Milan Urban,Jan Sarek,Miroslav Kvasnica,Iva Tislerova,Marian Hajduch.  (2007-03-21)  Triterpenoid pyrazines and benzopyrazines with cytotoxic activity..  Journal of natural products,  70  ((4)): (526-532).  [PMID:17371067]
5. Sara Hoet,Luc Pieters,Giulio G Muccioli,Jean-Louis Habib-Jiwan,Fred R Opperdoes,Joëlle Quetin-Leclercq.  (2007-07-20)  Antitrypanosomal activity of triterpenoids and sterols from the leaves of Strychnos spinosa and related compounds..  Journal of natural products,  70  ((8)): (1360-1363).  [PMID:17637068]
6. Atta-ur-Rahman,Seema Zareen,M Iqbal Choudhary,M Nadeem Akhtar,Shamsun Nahar Khan.  (2008-03-18)  alpha-Glucosidase inhibitory activity of triterpenoids from Cichorium intybus..  Journal of natural products,  71  ((5)): (910-913).  [PMID:18341288]
7. Xiaoan Wen,Hongbin Sun,Jun Liu,Keguang Cheng,Pu Zhang,Liying Zhang,Jia Hao,Luyong Zhang,Peizhou Ni,Spyros E Zographos,Demetres D Leonidas,Kyra-Melinda Alexacou,Thanasis Gimisis,Joseph M Hayes,Nikos G Oikonomakos.  (2008-06-04)  Naturally occurring pentacyclic triterpenes as inhibitors of glycogen phosphorylase: synthesis, structure-activity relationships, and X-ray crystallographic studies..  Journal of medicinal chemistry,  51  ((12)): (3540-3554).  [PMID:18517260]
8. Charles Gauthier,Jean Legault,Serge Lavoie,Simon Rondeau,Samuel Tremblay,André Pichette.  (2009-01-01)  Synthesis and cytotoxicity of bidesmosidic betulin and betulinic acid saponins..  Journal of natural products,  72  ((1)): (72-81).  [PMID:19115839]
9. Charles Gauthier,Jean Legault,Karl Girard-Lalancette,Vakhtang Mshvildadze,André Pichette.  (2009-02-10)  Haemolytic activity, cytotoxicity and membrane cell permeabilization of semi-synthetic and natural lupane- and oleanane-type saponins..  Bioorganic & medicinal chemistry,  17  ((5)): (2002-2008).  [PMID:19200744]
10. Charles Gauthier,Jean Legault,Marianne Piochon,Serge Lavoie,Samuel Tremblay,André Pichette.  (2009-03-17)  Synthesis, cytotoxicity, and haemolytic activity of chacotrioside lupane-type neosaponins and their germanicane-type rearrangement products..  Bioorganic & medicinal chemistry letters,  19  ((8)): (2310-2314).  [PMID:19285391]
11. Wendong Xu,Chenggen Zhu,Wei Cheng,Xiaona Fan,Xiaoguang Chen,Sen Yang,Ying Guo,Fei Ye,Jiangong Shi.  (2009-08-26)  Chemical Constituents of the Roots of Euphorbia micractina..  Journal of natural products,  72  ((9)): (1620-1626).  [PMID:19702283]
12. Leena Pohjala,Sami Alakurtti,Tero Ahola,Jari Yli-Kauhaluoma,Päivi Tammela.  (2009-10-21)  Betulin-derived compounds as inhibitors of alphavirus replication..  Journal of natural products,  72  ((11)): (1917-1926).  [PMID:19839605]
13. Zhongjie Liang,Liying Zhang,Lianchun Li,Jun Liu,Hongling Li,Luyong Zhang,Limin Chen,Keguang Cheng,Mingyue Zheng,Xiaoan Wen,Pu Zhang,Jia Hao,Yanchun Gong,Xia Zhang,Xiaoyun Zhu,Jun Chen,Hong Liu,Hualiang Jiang,Cheng Luo,Hongbin Sun.  (2011-03-29)  Identification of pentacyclic triterpenes derivatives as potent inhibitors against glycogen phosphorylase based on 3D-QSAR studies..  European journal of medicinal chemistry,  46  ((6)): (2011-2021).  [PMID:21439694]
14. Miroslav Pospíšil,Petr Kovář,Robert Vácha,Michal Svoboda.  (2011-05-04)  Study of the betulin molecule in a water environment; ab initio and molecular simulation calculations..  Journal of molecular modeling,  18  ((1)): (367-376).  [PMID:21537960]
15. Weuller F de Moraes,Pablinny Moreira Galdino,Marcus Vinícius M Nascimento,Frederico Argollo Vanderlinde,Maria Teresa F Bara,Elson A Costa,José Realino de Paula.  (2011-06-07)  Triterpenes involved in the anti-inflammatory effect of ethanolic extract of Pterodon emarginatus Vogel stem bark..  Journal of natural medicines,  66  ((1)): (202-207).  [PMID:21643657]
16. Jing Yin,Chun-Lin Ren,Ya-Guang Zhan,Chun-Xiao Li,Jia-Lei Xiao,Wei Qiu,Xin-Yu Li,Hong-Mei Peng.  (2011-06-08)  Distribution and expression characteristics of triterpenoids and OSC genes in white birch (Betula platyphylla suk.)..  Molecular biology reports,  39  ((3)): (2321-2328).  [PMID:21647548]
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