Determine the necessary mass, volume, or concentration for preparing a solution.
Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
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SKU | Size | Availability | Price | Qty |
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L129518-50mg | 50mg | In stock | $15.90 | |
L129518-200mg | 200mg | Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding. | $24.90 | |
L129518-250mg | 250mg | In stock | $44.90 | |
L129518-1g | 1g | Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience! | $136.90 | |
L129518-5g | 5g | In stock | $615.90 | |
L129518-25g | 25g | Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding. | $2,770.90 |
Immunomodulatory agent
Synonyms | HWA486 | RS-34821 | L 5025 | leflunomide | SU 101 | UNII-G162GK9U4W | HMS2235C07 | HMS3371F21 | lefunamide | 5-Methylisoxazole-4-carboxylic acid (4-trifluoromethyl)anilide | KBio1_000916 | Spectrum5_000850 | HSDB 7289 | 5-Methylisoxazole-4-(4-trifluoromet |
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Specifications & Purity | Moligand™, ≥98% |
Biochemical and Physiological Mechanisms | Leflunomide is an immunosuppressive drug that inhibits T and B cell responses. Leflunomide is an inhibitor of Cox-2, of tyrosine phosphorylation (tyrosine kinase), of DHODH (dihydroorotate dehydrogenase), an enzyme for de novo pyrimidine synthesis, and of |
Storage Temp | Store at 2-8°C |
Shipped In | Wet ice |
Grade | Moligand™ |
Action Type | INHIBITOR |
Mechanism of action | Dihydroorotate dehydrogenase inhibitor |
Note | Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details. |
Product Description | Leflunomide is a pyrimidine synthesis inhibitor belonging to the DMARD, used as an immunosuppressant agent. |
ALogP | 2.5 |
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IUPAC Name | 5-methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide |
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INCHI | InChI=1S/C12H9F3N2O2/c1-7-10(6-16-19-7)11(18)17-9-4-2-8(3-5-9)12(13,14)15/h2-6H,1H3,(H,17,18) |
InChi Key | VHOGYURTWQBHIL-UHFFFAOYSA-N |
Canonical SMILES | CC1=C(C=NO1)C(=O)NC2=CC=C(C=C2)C(F)(F)F |
Isomeric SMILES | CC1=C(C=NO1)C(=O)NC2=CC=C(C=C2)C(F)(F)F |
WGK Germany | 3 |
RTECS | NY2354200 |
PubChem CID | 3899 |
Molecular Weight | 270.21 |
Reaxy-Rn | 4323174 |
DrugBank Ligand | DB01097 |
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PubChem CID | 3899 |
CAS Registry No. | 75706-12-6 |
ChEMBL Ligand | CHEMBL960 |
Wikipedia | Leflunomide |
DrugCentral Ligand | 1552 |
Enter Lot Number to search for COA:
Find and download the COA for your product by matching the lot number on the packaging.
Lot Number | Certificate Type | Date | Item |
---|---|---|---|
K2117349 | Certificate of Analysis | Sep 14, 2023 | L129518 |
K2117350 | Certificate of Analysis | Sep 14, 2023 | L129518 |
K2117351 | Certificate of Analysis | Sep 14, 2023 | L129518 |
A2306195 | Certificate of Analysis | Jan 29, 2023 | L129518 |
H2304227 | Certificate of Analysis | Nov 22, 2021 | L129518 |
Solubility | Soluble in DMSO (54 mg/ml at 25 °C), ethanol (54 mg/ml at 25 °C), and water (<1 mg/ml at 25 °C). |
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Sensitivity | Heat sensitive |
Melt Point(°C) | 166.5°C |
Pictogram(s) | GHS06, GHS07 |
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Signal | Danger |
Hazard Statements | H315:Causes skin irritation H319:Causes serious eye irritation H335:May cause respiratory irritation H301:Toxic if swallowed |
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. 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+P316:IF SWALLOWED: Get emergency medical help immediately. P337+P317:If eye irritation persists: Get medical help. P332+P317:If skin irritation occurs: Get medical help. P319:Get medical help if you feel unwell. |
WGK Germany | 3 |
RTECS | NY2354200 |
Reaxy-Rn | 4323174 |
Merck Index | 5432 |
1. Qinqin Cui, Hongyun Bi, Zhanyun Lv, Qigui Wu, Jianfeng Hua, Bokai Gu, Chanjuan Huo, Mingmin Tang, Yanqin Chen, Chongjiu Chen, Sihan Chen, Xinrui Zhang, Zhangrui Wu, Zhengkai Lao, Nengyin Sheng, Chengyong Shen, Yongdeng Zhang, Zhi-Ying Wu, Zhigang Jin, Peiguo Yang, Huaqing Liu, Jinsong Li, Ge Bai. (2023) Diverse CMT2 neuropathies are linked to aberrant G3BP interactions in stress granules. CELL, 186 (803-820.e25). [PMID:36738734] |
2. Yizhou Gao, Xiaohui Xiong, Hui Wang, Jiajing Wang, Yan Bi, Yuqing Yan, Zhongye Cao, Dayong Li, Fengming Song. (2021) Ero1-Pdi1 module-catalysed dimerization of a nucleotide sugar transporter, FonNst2, regulates virulence of Fusarium oxysporum on watermelon. ENVIRONMENTAL MICROBIOLOGY, 24 (3): (1200-1220). [PMID:34587346] |
1. Munier-Lehmann H, Vidalain PO, Tangy F, Janin YL. (2013) On dihydroorotate dehydrogenases and their inhibitors and uses.. J Med Chem, 56 (8): (3148-67). [PMID:23452331] |
2. Qinqin Cui, Hongyun Bi, Zhanyun Lv, Qigui Wu, Jianfeng Hua, Bokai Gu, Chanjuan Huo, Mingmin Tang, Yanqin Chen, Chongjiu Chen, Sihan Chen, Xinrui Zhang, Zhangrui Wu, Zhengkai Lao, Nengyin Sheng, Chengyong Shen, Yongdeng Zhang, Zhi-Ying Wu, Zhigang Jin, Peiguo Yang, Huaqing Liu, Jinsong Li, Ge Bai. (2023) Diverse CMT2 neuropathies are linked to aberrant G3BP interactions in stress granules. CELL, 186 (803-820.e25). [PMID:36738734] |
3. Yizhou Gao, Xiaohui Xiong, Hui Wang, Jiajing Wang, Yan Bi, Yuqing Yan, Zhongye Cao, Dayong Li, Fengming Song. (2021) Ero1-Pdi1 module-catalysed dimerization of a nucleotide sugar transporter, FonNst2, regulates virulence of Fusarium oxysporum on watermelon. ENVIRONMENTAL MICROBIOLOGY, 24 (3): (1200-1220). [PMID:34587346] |