5(6)-Carboxyfluorescein N-hydroxysuccinimide ester

SIGMA/21878 - BioReagent, suitable for fluorescence, mixture of isomers, ≥80% (HPLC)

Synonym: 5(6)-FAM SE; FLUOS

CAS Number: 117548-22-8
Empirical Formula (Hill Notation): C₂₅H₁₅NO₉
Molecular Weight: 473.39
MDL Number: MFCD04119713
Linear Formula: C₂₅H₁₅NO₉
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-21878-25MG-F	25 mg	$92.30 1/EA		Add To Favorites
45-21878-100MG-F	100 mg	$280.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	≥80% (HPLC)
fluorescence	λ_ex 492 nm; λ_em 517 nm in DMF
form	powder
InChI	1S/2C25H15NO9/c27-13-2-5-16-19(10-13)34-20-11-14(28)3-6-17(20)23(16)18-9-12(1-4-15(18)24(31)32)25(33)35-26-21(29)7-8-22(26)30;27-12-4-6-14-18(10-12)34-19-11-13(28)5-7-15(19)22(14)23-16(24(31)32)2-1-3-17(23)25(33)35-26-20(29)8-9-21(26)30/h1-6,9-11,27H,7-8H2,(H,31,32);1-7,10-11,27H,8-9H2,(H,31,32)
InChI key	YVTPVJDECOUTJW-UHFFFAOYSA-N
product line	BioReagent
Quality Level	200
SMILES string	OC(=O)c1ccc(cc1C2=C3C=CC(=O)C=C3Oc4cc(O)ccc24)C(=O)ON5C(=O)CCC5=O.OC(=O)c6cccc(C(=O)ON7C(=O)CCC7=O)c6C8=C9C=CC(=O)C=C9Oc%10cc(O)ccc8%10
solubility	DMF: soluble
	DMSO: soluble
storage temp.	−20°C
suitability	suitable for fluorescence

Application:	5(6)-Carboxyfluorescein N-hydroxysuccinimide ester (5(6)-FAM SE, FLUOS) may be used to prepare fluorescent derivatives of proteins such as tubulin and for the preparation of a phenytoin tracer for the determination of this and other drugs in serum and plasma by fluorescence polarization immunoassay (FPIA) and laser-induced fluorescence detection.
Application:	Fluorescent label for primary and secondary amine groups on proteins and other biomolecules.
Application:	Has been used to prepare fluorescent derivatives of tubulin and for the preparation of a phenytoin tracer for the determination of this drug in serum and plasma by fluorescence polarization immunoassay (FPIA)

RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥80% (HPLC)
Storage Temp.	−20°C
UNSPSC	12352108

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