L-(+)-Ascorbic Acid CAS 50-81-7

Purity >95%In StockPharmaceutical Standards
CAS No.50-81-7
Molecular FormulaC6H8O6
Molecular Weight176.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

L-(+)-Ascorbic Acid CAS 50-81-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 176.12 g/mol gives L-(+)-Ascorbic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

L-(+)-Ascorbic Acid (CAS 50-81-7) is a high-purity analytical reference standard with the molecular formula C6H8O6 and a molecular weight of 176.12 g/mol.

Based on its molecular formula C6H8O6, L-(+)-Ascorbic Acid contains a carbohydrate-derived structure; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 176.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

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 FormulaC6H8O6
Molecular Weight176.12 g/mol
Purity>95%
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957

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