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L-Ascorbic Acid Related Compounds & Impurities

L-Ascorbic Acid (vitamin C) is an essential water-soluble antioxidant vitamin and cofactor for collagen-synthesising enzymes, used therapeutically for deficiency states and widely as an antioxidant excipient.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of L-Ascorbic Acid reference standards, pharmacopeial and non-pharmacopeial L-Ascorbic Acid impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our L-Ascorbic Acid-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Impurity Standards

2,3-Diketo-L-gulonic acid

CAT. No.A550018 CAS No.3445-22-5 Mol. F.C6H8O7 Mol. W.192.12 g/mol Stock Status Custom Synthesis
COA MSDS

2,3-diketogulonic acid

CAT. No.A550012 CAS No.3409-57-2 Mol. F.C6H8O7 Mol. W.192.12 g/mol Stock Status Instock
COA MSDS

3-O-Ethyl-L-Ascorbic Acid

CAT. No.A550026 CAS No.86404-04-8 Mol. F.C8H12O6 Mol. W.204.18 g/mol Stock Status Instock
COA MSDS

Ascorbic Acid EP Impurity C

CAT. No.A550001 CAS No.16533-48-5 Mol. F.C6H10O7 Mol. W.194.14 g/mol Stock Status Limited Stock
COA MSDS

Ascorbic acid EP impurity G

CAT. No.A550010 CAS No.66757-69-5 Mol. F.C6H6O7 Mol. W.190.11 g/mol Stock Status Under Synthesis
COA MSDS

Ascorbic Acid EP Impurity H

CAT. No.A550008 CAS No.122046-79-1 Mol. F.C7H8O7 Mol. W.204.13 g/mol Stock Status Under Synthesis
COA MSDS

Ascorbyl Impurity 1

CAT. No.A550027 CAS No.91446-96-7 Mol. F.C6H10O7.K Mol. W.233.24 g/mol Stock Status Custom Synthesis
COA MSDS

Ascorbyl Impurity 2

CAT. No.A550028 CAS No.21675-47-8 Mol. F.C6H10O7 Mol. W.194.14 g/mol Stock Status Custom Synthesis
COA MSDS

D-Ascorbic Acid

CAT. No.A550025 CAS No.10504-35-5 Mol. F.C6H8O6 Mol. W.176.12 g/mol Stock Status Custom Synthesis
COA MSDS

L-Ascorbic Acid 3-Sulfate

CAT. No.A550016 CAS No.22430-27-9 Mol. F.C6H8O9S Mol. W.256.19 g/mol Stock Status Custom Synthesis
COA MSDS

Working Standards

Ascorbic Acid

CAT. No.A550000 CAS No.50-81-7 Mol. F.C6H8O6 Mol. W.176.12 g/mol Stock Status Instock
COA MSDS

L-Ascorbic Acid Sodium

CAT. No.A550000A CAS No.134-03-2 Mol. F.C6H8O6.Na Mol. W.199.11 g/mol Stock Status Instock
COA MSDS

Isotope Labelled Compounds

L-Ascorbic acid D4

CAT. No.A550021 CAS No.NA Mol. F.C6H4D4O6 Mol. W.180.15 g/mol Stock Status Custom Synthesis
COA MSDS

L-Ascorbic Acid-1-13C

CAT. No.A550020 CAS No.178101-88-7 Mol. F.C513CH8O6 Mol. W.177.12 g/mol Stock Status Limited Stock
COA MSDS

L-Ascorbic Acid-13C6

CAT. No.A550009 CAS No.NA Mol. F.13C6H8O6 Mol. W.179.06 g/mol Stock Status Under Synthesis
COA MSDS

Product structure

Sample structure

Catalogue no.: — CAS no.: — Formula: — Mol. weight: —

Illustrative sample structure
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