(+)-Biotin-PEG3-NHS Ester CAS 1253286-56-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1253286-56-4
Molecular FormulaC23H36N4O9S
Molecular Weight544.62 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(+)-Biotin-PEG3-NHS Ester CAS 1253286-56-4 chemical structure

Description

(+)-Biotin-PEG3-NHS Ester (CAS 1253286-56-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C23H36N4O9S. Molecular weight: 544.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC23H36N4O9S
Molecular Weight544.62 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms4
Sulfur Atoms1

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