Trimethoprim EP Impurity H

Name: Trimethoprim EP Impurity H
Brand: Vaqora Chemicals
SKU: VQ-021355

About Trimethoprim EP Impurity H

Vaqora Chemicals supplies Trimethoprim EP Impurity H, a pharmacopeial impurity of Trimethoprim registered under CAS number 1916-07-0. The compound has the formula C11H14O5, corresponding to a molecular weight of 226.23 g/mol. Its systematic (IUPAC) name is methyl 3,4,5-trimethoxybenzoate. Common synonyms include Trimebutine EP Impurity C and Methyl Eudesmate.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This Trimethoprim impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Trimethoprim EP Impurity H is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Trimethoprim

View every impurity, metabolite and intermediate we list for Trimethoprim.

Trimethoprim impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Trimethoprim EP Impurity H
Catalogue No.	VQ-021355
CAS Number	1916-07-0
IUPAC name	methyl 3,4,5-trimethoxybenzoate
Molecular formula	C₁₁H₁₄O₅
Molecular weight	226.23 g/mol
Exact mass	226.0841
Grade	Reference Standard
HSN code	38229090
InChIKey	KACHFMOHOPLTNX-UHFFFAOYSA-N
SMILES	COC1=CC(=CC(=C1OC)OC)C(=O)OC
PubChem CID	15956

Physical properties
Physical form	Solid
LogP (XLogP3)	1.7
H-bond donors / acceptors	0 / 5
TPSA	54 Å²
Synonyms	Trimebutine 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

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Trimethoprim EP Impurity H?

The CAS Registry Number of Trimethoprim EP Impurity H is 1916-07-0. It is also known as Trimebutine EP Impurity C, Methyl Eudesmate, Trimebutine - Impurity C.

What is the molecular formula and molecular weight of Trimethoprim EP Impurity H?

Trimethoprim EP Impurity H has the molecular formula C11H14O5 and a molecular weight of 226.23 g/mol. Its IUPAC name is methyl 3,4,5-trimethoxybenzoate.

What is Trimethoprim EP Impurity H used for?

Trimethoprim EP Impurity H is supplied as a characterised reference material related to Trimethoprim. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Trimethoprim EP Impurity H can I order?

We supply Trimethoprim EP Impurity H in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Trimethoprim EP Impurity H?

Yes. Every lot of Trimethoprim EP Impurity H is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Trimethoprim EP Impurity H be shipped internationally?

Yes. We export Trimethoprim EP Impurity H worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.