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Pharmacopeial Impurities (EP / USP / BP)

Sulfadimethoxine EP Impurity A

Reference StandardAvailable on request

Sulfadimethoxine EP Impurity A (CAS 3289-50-7) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Sulfadimethoxine EP Impurity A chemical structure
CAS number3289-50-7
FormulaC6H9N3O2
Molar mass155.15 g/mol
Physical formSolid
HS code38229090
InChIKeyLNTJJKHTAZFVJJ-UHFFFAOYSA-N
IUPAC name2,6-dimethoxypyrimidin-4-amine

About Sulfadimethoxine EP Impurity A

Sulfadimethoxine EP Impurity A belongs to the Sulfadimethoxine reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 3289-50-7, formula C6H9N3O2 and molar mass 155.15 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Sulfadimethoxine

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

Sulfadimethoxine 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 Sulfadimethoxine EP Impurity A
Product nameSulfadimethoxine EP Impurity A
Catalogue numberZX-032919
CAS number3289-50-7
IUPAC name2,6-dimethoxypyrimidin-4-amine
Molecular formulaC6H9N3O2
Molar mass155.15 g/mol
Exact mass155.0695
GradeReference Standard
Physical formSolid
XLogP30.5
H-bond donors / acceptors1 / 5
Topological polar surface area70.3 Ų
HS code38229090
InChIKeyLNTJJKHTAZFVJJ-UHFFFAOYSA-N
SMILESCOC1=NC(=NC(=C1)N)OC
PubChem CID76789
SynonymsSulfadimethoxine - Impurity A, 4-Amino-2,6-dimethoxypyrimidine, 4-Pyrimidinamine, 2,6-dimethoxy-, 6-Amino-2,4-dimethoxypyrimidine, 2,6-Dimethoxy-4-pyrimidinamine, 2,6-Dimethoxy-4-aminopyrimidine, Pyrimidine, 4-amino-2,6-dimethoxy-, 2,6-dimethoxypyrimidine-4-ylamine, 2,6-Dimethoxy-pyrimidin-4-ylamine, Pyrimidine,6-dimethoxy-, 4-Pyrimidinamine,6-dimethoxy-, 4-amino-2,6-dimethoxypyrimidin

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 Sulfadimethoxine 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 Sulfadimethoxine EP Impurity A

Which CAS number identifies Sulfadimethoxine EP Impurity A?
Sulfadimethoxine EP Impurity A is registered under CAS 3289-50-7. You may also see it listed as Sulfadimethoxine - Impurity A, 4-Amino-2,6-dimethoxypyrimidine, 4-Pyrimidinamine, 2,6-dimethoxy-. Our catalogue number for this item is ZX-032919.
What are the formula and molar mass of Sulfadimethoxine EP Impurity A?
For Sulfadimethoxine EP Impurity A, its formula is C6H9N3O2 and its molar mass is 155.15 g/mol. The systematic (IUPAC) name is 2,6-dimethoxypyrimidin-4-amine. InChIKey LNTJJKHTAZFVJJ-UHFFFAOYSA-N lets you match it in any structure database.
How is Sulfadimethoxine EP Impurity A used in pharmaceutical QC?
Sulfadimethoxine EP Impurity A is a characterised reference material linked to Sulfadimethoxine. 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 Sulfadimethoxine 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 Sulfadimethoxine 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 Sulfadimethoxine EP Impurity A to my country?
Yes. Because Sulfadimethoxine 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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