[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-carbamic acid 4-nitro-phenyl ester CAS 957198-19-5

Purity 97%+In StockPharmaceutical Standards
CAS No.957198-19-5
Molecular FormulaC19H21BN2O6
Molecular Weight384.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-carbamic acid 4-nitro-phenyl ester CAS 957198-19-5 chemical structure

Description

[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-carbamic acid 4-nitro-phenyl ester (CAS 957198-19-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H21BN2O6. Molecular weight: 384.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC19H21BN2O6
Molecular Weight384.19 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°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)10.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms2

Related Tetramethyl Standards

Recommended Standards

Why CATO?