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Pharmacopeial Impurities (EP / USP / BP)

Ascorbic Acid EP Impurity C

Reference StandardAvailable on request

Buy Ascorbic Acid EP Impurity C (CAS 342385-52-8) from Zemixal: C6H10O7, COA and SDS with every lot, worldwide shipping.

Pack sizes
Ascorbic Acid EP Impurity C chemical structure
CAS number342385-52-8
FormulaC6H10O7
Molar mass194.14 g/mol
Physical formSolid
HS code38229090
InChIKeyVBUYCZFBVCCYFD-NUNKFHFFSA-N
IUPAC name(3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoic acid

About Ascorbic Acid EP Impurity C

Zemixal lists Ascorbic Acid EP Impurity C for laboratories that identify, quantify or control Ascorbic acid and its related substances. For your records (Reference Standard), the material is defined by CAS 342385-52-8, formula C6H10O7 and molar mass 194.14 g/mol. It is handled as a solid.

Use cases we see most often

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Ascorbic acid

See every impurity, metabolite and related compound we list for this API.

Ascorbic acid standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Ascorbic Acid EP Impurity C
Product nameAscorbic Acid EP Impurity C
Catalogue numberZX-025314
CAS number342385-52-8
IUPAC name(3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoic acid
Molecular formulaC6H10O7
Molar mass194.14 g/mol
Exact mass194.0427
GradeReference Standard
Physical formSolid
XLogP3-2.9
H-bond donors / acceptors5 / 7
Topological polar surface area135 Ų
HS code38229090
InChIKeyVBUYCZFBVCCYFD-NUNKFHFFSA-N
SMILESC([C@@H]([C@H]([C@@H](C(=O)C(=O)O)O)O)O)O
PubChem CID102424
Synonyms2-Keto-L-gulonic acid hydrate, Ascorbic Acid EP Impurity C Hydrate, Ascorbic Acid - Impurity C (Hydrate Salt), 2-Keto-L-gulonic acid, L-xylo-Hex-2-ulosonic acid, L-xylo-2-Hexulosonic acid, L-sorbosonic acid, L-Xylohexulosonic acid, 2-Oxo-l-gulonic acid, L-sorbosonate, L-Ketoidonate, 2-Dehydro-L-idonate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Ascorbic Acid EP Impurity C
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Ascorbic Acid EP Impurity C

Which CAS number identifies Ascorbic Acid EP Impurity C?
Ascorbic Acid EP Impurity C is registered under CAS 342385-52-8. You may also see it listed as 2-Keto-L-gulonic acid hydrate, Ascorbic Acid EP Impurity C Hydrate, Ascorbic Acid - Impurity C (Hydrate Salt). Our catalogue number for this item is ZX-025314.
What are the formula and molar mass of Ascorbic Acid EP Impurity C?
For Ascorbic Acid EP Impurity C, its formula is C6H10O7 and its molar mass is 194.14 g/mol. The systematic (IUPAC) name is (3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoic acid. InChIKey VBUYCZFBVCCYFD-NUNKFHFFSA-N lets you match it in any structure database.
How is Ascorbic Acid EP Impurity C used in pharmaceutical QC?
Ascorbic Acid EP Impurity C is a characterised reference material linked to Ascorbic acid. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Ascorbic Acid EP Impurity C?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Ascorbic Acid EP Impurity C?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Ascorbic Acid EP Impurity C to my country?
Yes. Because Ascorbic Acid EP Impurity C is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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