Trimethoprim EP Impurity G

Name: Trimethoprim EP Impurity G
Brand: Vaqora Chemicals
SKU: VQ-028541

About Trimethoprim EP Impurity G

Vaqora Chemicals supplies Trimethoprim EP Impurity G, a pharmacopeial impurity of Trimethoprim registered under CAS number 78025-68-0. Formula C15H20N4O3, molecular weight 304.34 g/mol. Its systematic (IUPAC) name is 5-[(4-ethoxy-3,5-dimethoxyphenyl)methyl]pyrimidine-2,4-diamine. Alternative names: Trimethoprim Impurity G and Trimethoprim - Impurity G.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

As a characterised impurity of Trimethoprim, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Trimethoprim EP Impurity G in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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 G
Catalogue No.	VQ-028541
CAS Number	78025-68-0
IUPAC name	5-[(4-ethoxy-3,5-dimethoxyphenyl)methyl]pyrimidine-2,4-diamine
Molecular formula	C₁₅H₂₀N₄O₃
Molecular weight	304.34 g/mol
Exact mass	304.1535
Grade	Reference Standard
HSN code	38229090
InChIKey	XWUQANDETYXOIU-UHFFFAOYSA-N
SMILES	CCOC1=C(C=C(C=C1OC)CC2=CN=C(N=C2N)N)OC
PubChem CID	12752253

Physical properties
Physical form	Solid
LogP (XLogP3)	1.3
H-bond donors / acceptors	2 / 7
TPSA	106 Å²
Synonyms	Trimethoprim Impurity G, Trimethoprim - Impurity G, 5-(4-Ethoxy-3,5-dimethoxybenzyl)pyrimidine-2,4-diamine, 4-Desmethoxy-4-ethoxy trimethoprim, 4-O-Desmethyl 4-O-Ethyl Trimethoprim, 2,4-Pyrimidinediamine, 5-((4-ethoxy-3,5-dimethoxyphenyl)methyl)-, 5-[(4-Ethoxy-3,5-dimethoxyphenyl)methyl]pyrimidine-2,4(1H,3H)-diimine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 G?

The CAS Registry Number of Trimethoprim EP Impurity G is 78025-68-0. It is also known as Trimethoprim Impurity G, Trimethoprim - Impurity G, 5-(4-Ethoxy-3,5-dimethoxybenzyl)pyrimidine-2,4-diamine.

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

Trimethoprim EP Impurity G has the molecular formula C15H20N4O3 and a molecular weight of 304.34 g/mol. Its IUPAC name is 5-[(4-ethoxy-3,5-dimethoxyphenyl)methyl]pyrimidine-2,4-diamine.

What is Trimethoprim EP Impurity G used for?

Trimethoprim EP Impurity G 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 G can I order?

We supply Trimethoprim EP Impurity G 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 G?

Yes. Every lot of Trimethoprim EP Impurity G 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 G be shipped internationally?

Yes. Trimethoprim EP Impurity G is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.