Ascorbic Acid Impurity 43 CAS 20229-76-9

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.20229-76-9
Molecular FormulaC8H10O7
Molecular Weight218.16 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ascorbic Acid Impurity 43 CAS 20229-76-9 chemical structure

Description

Ascorbic Acid Impurity 43 (CAS 20229-76-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H10O7. Molecular weight: 218.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC8H10O7
Molecular Weight218.16 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962

Related Ascorbic Standards

Recommended Standards

Why CATO?