D CAS 131771-69-2

Purity 97%+In StockPharmaceutical Standards
CAS No.131771-69-2
Molecular FormulaC4[13C]H10O5
Molecular Weight151.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

D CAS 131771-69-2 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

D (CAS 131771-69-2) is a high-purity analytical reference standard with the molecular formula C4[13C]H10O5 and a molecular weight of 151.12 g/mol.

D (C4[13C]H10O5) contains a carbohydrate-derived structure. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC4[13C]H10O5
Molecular Weight151.12 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1994

Recommended Standards

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