CrAsH-NHS ester CAS 439791-29-4

Purity 97%+In StockPharmaceutical Standards
CAS No.439791-29-4
Molecular FormulaC29H21As2NO9S4
Molecular Weight805.58 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

CrAsH-NHS ester CAS 439791-29-4 chemical structure

Description

CrAsH-NHS ester (CAS 439791-29-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C29H21As2NO9S4. Molecular weight: 805.58 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC29H21As2NO9S4
Molecular Weight805.58 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)20.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1
Sulfur Atoms4

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