5(6)-Carboxyfluorescein, mixture of isomers - ≥95% (HPLC), high purity , CAS No.72088-94-9

Item Number

C107883

Grouped product items
SKU	Size	Availability	Price
C107883-250mg	250mg	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$17.90
C107883-1g	1g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$58.90
C107883-5g	5g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$265.90
C107883-25g	25g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$1,194.90

Amine-reactive pH-senstive fluorescent label. Covalently labels proteins and peptides.

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Basic Description

Synonyms	5(6)-carboxyfluorescein\|72088-94-9\|5(6)-FAM\|1171493-85-8\|MFCD00151081\|3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid;3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid\|3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzo
Specifications & Purity	≥95% (HPLC)
Storage Temp	Protected from light,Store at -20°C,Desiccated
Shipped In	Ice chest + Ice pads
Product Description	Fluorescent probe material, have a strong green fluorescence under an alkaline condition, widely used in the fluorescence analysis, the tracer dye, pH indicator and synthetic derivatives of the carboxyl fluorescein. Intracellular pH probe.Its derivatives such as 2′,7′-bis (2-carboxyethyl)-5(6)-carboxyfluorescein are used to measure changes in intracellular pH (pHi) and processes such as dendrimer aggregation and absorption.

Names and Identifiers

IUPAC Name	3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid;3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
INCHI	InChI=1S/2C21H12O7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)21(15)14-4-1-10(19(24)25)7-13(14)20(26)28-21;22-11-2-5-14-17(8-11)27-18-9-12(23)3-6-15(18)21(14)16-7-10(19(24)25)1-4-13(16)20(26)28-21/h2*1-9,22-23H,(H,24,25)
InChi Key	BPVHBBXCESDRKW-UHFFFAOYSA-N
Canonical SMILES	C1=CC2=C(C=C1C(=O)O)C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OC2=O.C1=CC2=C(C=C1C(=O)O)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
Isomeric SMILES	C1=CC2=C(C=C1C(=O)O)C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OC2=O.C1=CC2=C(C=C1C(=O)O)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
WGK Germany	3
Alternate CAS	1171493-85-8
PubChem CID	44119975
Molecular Weight	376.32

Certificates

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4 results found

Lot Number	Certificate Type	Date	Item
J2013132	Certificate of Analysis	Aug 15, 2024	C107883
G2219290	Certificate of Analysis	Jun 06, 2022	C107883
G2219293	Certificate of Analysis	Jun 06, 2022	C107883
G2219393	Certificate of Analysis	Jun 06, 2022	C107883

Sensitivity

Light & Moisture Sensitive

Melt Point(°C)

275°C

Safety and Hazards(GHS)

Pictogram(s)	GHS07
Signal	Warning
Hazard Statements	H319:Causes serious eye irritation H317:May cause an allergic skin reaction
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). P501:Dispose of contents/container to ... P272:Contaminated work clothing should not be allowed out of the workplace. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. P362+P364:Take off contaminated clothing and wash it before reuse. P264+P265:Wash hands [and …] thoroughly after handling. Do not touch eyes. P337+P317:If eye irritation persists: Get medical help.
WGK Germany	3

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Basic Description