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Pharmacopeial Impurities (EP / USP / BP)

Trimethoprim EP Impurity H

Reference StandardAvailable on request

Order Trimethoprim EP Impurity H (CAS 1916-07-0) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Trimethoprim EP Impurity H chemical structure
CAS number1916-07-0
FormulaC11H14O5
Molar mass226.23 g/mol
Physical formSolid
HS code38229090
InChIKeyKACHFMOHOPLTNX-UHFFFAOYSA-N
IUPAC namemethyl 3,4,5-trimethoxybenzoate

About Trimethoprim EP Impurity H

Trimethoprim EP Impurity H belongs to the Trimethoprim reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 1916-07-0, formula C11H14O5 and molar mass 226.23 g/mol. It is handled as a solid.

Typical applications

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes 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 Trimethoprim

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

Trimethoprim 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 Trimethoprim EP Impurity H
Product nameTrimethoprim EP Impurity H
Catalogue numberZX-020410
CAS number1916-07-0
IUPAC namemethyl 3,4,5-trimethoxybenzoate
Molecular formulaC11H14O5
Molar mass226.23 g/mol
Exact mass226.0841
GradeReference Standard
Physical formSolid
XLogP31.7
H-bond donors / acceptors0 / 5
Topological polar surface area54 Ų
HS code38229090
InChIKeyKACHFMOHOPLTNX-UHFFFAOYSA-N
SMILESCOC1=CC(=CC(=C1OC)OC)C(=O)OC
PubChem CID15956
SynonymsTrimebutine EP Impurity C, Methyl Eudesmate, Trimebutine - Impurity C, Trimethoprim - Impurity H, Trimethylgallic acid methyl ester, 3,4,5-Trimethoxybenzoic acid methyl ester, Methyl tri-O-methylgallate, Methyl gallate trimethyl ether, 3,4,5-Trimethoxybenzoic acid, methyl ester, Methyl 3,4,5-trimethoxybenzoic acid, Methyl 3,4,5-trimethoxy benzoate, Methyl Tri-O-meth

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Trimethoprim EP Impurity H
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 Trimethoprim EP Impurity H

Which CAS number identifies Trimethoprim EP Impurity H?
Trimethoprim EP Impurity H is registered under CAS 1916-07-0. You may also see it listed as Trimebutine EP Impurity C, Methyl Eudesmate, Trimebutine - Impurity C. Our catalogue number for this item is ZX-020410.
What are the formula and molar mass of Trimethoprim EP Impurity H?
For Trimethoprim EP Impurity H, its formula is C11H14O5 and its molar mass is 226.23 g/mol. The systematic (IUPAC) name is methyl 3,4,5-trimethoxybenzoate. InChIKey KACHFMOHOPLTNX-UHFFFAOYSA-N lets you match it in any structure database.
How is Trimethoprim EP Impurity H used in pharmaceutical QC?
Trimethoprim EP Impurity H is a characterised reference material linked to Trimethoprim. 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 Trimethoprim EP Impurity H?
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 Trimethoprim EP Impurity H?
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 Trimethoprim EP Impurity H to my country?
Yes. Trimethoprim EP Impurity H ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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