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Pharmacopeial Impurities (EP / USP / BP)

Thiamine EP Impurity A

Reference StandardAvailable on request

Order Thiamine EP Impurity A (CAS 2380-61-2) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-027219.

Pack sizes
Thiamine EP Impurity A chemical structure
CAS number2380-61-2
FormulaC12H16N4O4S2
Molar mass344.4 g/mol
Physical formSolid
HS code38229090
InChIKeyDXANYXRZRNXGSC-UHFFFAOYSA-N
IUPAC name2-[3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethyl sulfate

About Thiamine EP Impurity A

Thiamine EP Impurity A belongs to the Thiamine reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 2380-61-2, formula C12H16N4O4S2 and molar mass 344.4 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Classified under GHS with signal word Warning and hazard statements H317. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. 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 Thiamine

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

Thiamine 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 Thiamine EP Impurity A
Product nameThiamine EP Impurity A
Catalogue numberZX-027219
CAS number2380-61-2
IUPAC name2-[3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethyl sulfate
Molecular formulaC12H16N4O4S2
Molar mass344.4 g/mol
Exact mass344.0613
GradeReference Standard
Physical formSolid
XLogP30.6
H-bond donors / acceptors1 / 8
Topological polar surface area159 Ų
HS code38229090
InChIKeyDXANYXRZRNXGSC-UHFFFAOYSA-N
SMILESCC1=C(SC=[N+]1CC2=CN=C(N=C2N)C)CCOS(=O)(=O)[O-]
PubChem CID71468986
SynonymsThiamine Sulfate, Thiamine - Impurity A, Thiamine hydrochloride impurity A, 2-(3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-4-methylthiazol-3-ium-5-yl)ethyl sulfate, Thiamine Impurity A HCl, Thiamine sulfate inner salt, Thiamine hydrogen sulfate ester, 2-[3-[(4-amino-2-methyl-pyrimidin-5-yl)methyl]-4-methyl-thiazol-3-ium-5-yl]ethyl sulfate

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

  • H317May cause an allergic skin reaction

Precautionary statements P261, P272, P280, P302 + P352, P321, P333 + P317, P362 + P364, 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 Thiamine EP Impurity A
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 Thiamine EP Impurity A

Which CAS number identifies Thiamine EP Impurity A?
Thiamine EP Impurity A is registered under CAS 2380-61-2. You may also see it listed as Thiamine Sulfate, Thiamine - Impurity A, Thiamine hydrochloride impurity A. Our catalogue number for this item is ZX-027219.
What are the formula and molar mass of Thiamine EP Impurity A?
For Thiamine EP Impurity A, its formula is C12H16N4O4S2 and its molar mass is 344.4 g/mol. The systematic (IUPAC) name is 2-[3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethyl sulfate. InChIKey DXANYXRZRNXGSC-UHFFFAOYSA-N lets you match it in any structure database.
How is Thiamine EP Impurity A used in pharmaceutical QC?
Thiamine EP Impurity A is a characterised reference material linked to Thiamine. 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 Thiamine EP Impurity A?
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 Thiamine EP Impurity A?
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 Thiamine EP Impurity A to my country?
Yes. Because Thiamine EP Impurity A 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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