6-Carboxyfluorescein

SIGMA/C0662 - ≥96% (HPLC)

Synonym: 6-FAM; FLUOS

CAS Number: 3301-79-9
Empirical Formula (Hill Notation): C₂₁H₁₂O₇
Molecular Weight: 376.32
MDL Number: MFCD00036873
Linear Formula: C₂₁H₁₂O₇
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-C0662-50MG	50 mg	$153.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

λ_max	492 nm at 0.1 N in NaOH
application(s)	diagnostic assay manufacturing hematology histology
assay	≥96% (HPLC)
color	dark yellow to dark orange
fluorescence	λ_ex 492 nm; λ_em 517 nm (pH 8.0)
form	powder
InChI	1S/C21H12O7/c22-11-2-5-14-17(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/h1-9,22-23H,(H,24,25)
InChI key	BZTDTCNHAFUJOG-UHFFFAOYSA-N
mp	>300 °C (lit.)
Quality Level	200
SMILES string	OC(=O)c1ccc2C(=O)OC3(c4ccc(O)cc4Oc5cc(O)ccc35)c2c1
solubility	0.1 M NaOH: 9.80-10.20 mg/mL, clear to slightly hazy, orange
storage temp.	2-8°C
technique(s)	titration: suitable

Application:	6-Carboxyfluorescein has been used to check the plasma membrane integrity in sperm cells.
Application:	Fluorescent dye.
Biochem/physiol Actions:	6-Carboxyfluorescein diacetate is a membrane permeable compound. It can be hydrolysed by intracellular esterases to form a membrane impermeable bright green fluorescent molecule, 6-carboxyfluorescein.
Packaging:	50 mg in poly bottle

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36/37
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥96% (HPLC)
mp	>300 °C (lit.)
Storage Temp.	2-8°C
UNSPSC	12171500

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