Biotin-(5-fluorescein)-conjugate 957494-27-8 Biotin-4-Fluorescein B4F N-(Biotinylamidoethyl)-fluorescein-5-carboxamide N-(Fluorescein-5-carbamidoethyl)biotinamide CAS 957494-27-8

Purity 97%+In StockPharmaceutical Standards
CAS No.957494-27-8
Molecular FormulaC33H44N4O8S
Molecular Weight656.79 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Biotin-(5-fluorescein)-conjugate 957494-27-8 Biotin-4-Fluorescein B4F N-(Biotinylamidoethyl)-fluorescein-5-carboxamide N-(Fluorescein-5-carbamidoethyl)biotinamide CAS 957494-27-8 chemical structure

Description

Biotin-(5-fluorescein)-conjugate 957494-27-8 Biotin-4-Fluorescein B4F N-(Biotinylamidoethyl)-fluorescein-5-carboxamide N-(Fluorescein-5-carbamidoethyl)biotinamide (CAS 957494-27-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C33H44N4O8S. Molecular weight: 656.79 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC33H44N4O8S
Molecular Weight656.79 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms4
Sulfur Atoms1

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