Trimethoprim EP Impurity C

Name: Trimethoprim EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-028542

About Trimethoprim EP Impurity C

Vaqora Chemicals supplies Trimethoprim EP Impurity C, a pharmacopeial impurity of Trimethoprim registered under CAS number 29606-06-2. The compound has the formula C14H18N4O4, corresponding to a molecular weight of 306.32 g/mol. The IUPAC name is (2,4-diaminopyrimidin-5-yl)-(3,4,5-trimethoxyphenyl)methanol. Common synonyms include Trimethoprim Impurity C and Trimethoprim - Impurity C.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

This Trimethoprim impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export 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 C
Catalogue No.	VQ-028542
CAS Number	29606-06-2
IUPAC name	(2,4-diaminopyrimidin-5-yl)-(3,4,5-trimethoxyphenyl)methanol
Molecular formula	C₁₄H₁₈N₄O₄
Molecular weight	306.32 g/mol
Exact mass	306.1328
Grade	Reference Standard
HSN code	38229090
InChIKey	ZQRSRBQVQNNQKD-UHFFFAOYSA-N
SMILES	COC1=CC(=CC(=C1OC)OC)C(C2=CN=C(N=C2N)N)O
PubChem CID	44362947

Physical properties
Physical form	Solid
LogP (XLogP3)	0.3
H-bond donors / acceptors	3 / 8
TPSA	126 Å²
Synonyms	Trimethoprim Impurity C, Trimethoprim - Impurity C, a-Hydroxy Trimethoprim (Impurity), (RS)-(2,4-Diaminopyrimidin-5-yl)(3,4,5-trimethoxyphenyl)methanol, alpha-Hydroxy Trimethoprim, 5-Pyrimidinemethanol, 2,4-diamino-alpha-(3,4,5-trimethoxyphenyl)-, Calpha-Hydroxytrimethoprom, 2,4-Diamino-alpha-(3,4,5-trimethoxyphenyl)-5-pyrimidinemethanol, alpha-Hydroxy Trimethoprim (Impurity), (+/-)- alpha-(2,4-Diamino-5-pyrimidyl)-3,4,5-trimethoxybenzyl alcohol, Racemic alpha-(2,4-diamino-5-pyrimidyl)-3,4,5-trimethoxybenzyl alcohol, Trimethoprim Impurity C(Ca-Hydroxy-TMP)

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 C?

The CAS Registry Number of Trimethoprim EP Impurity C is 29606-06-2. It is also known as Trimethoprim Impurity C, Trimethoprim - Impurity C, a-Hydroxy Trimethoprim (Impurity).

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

Trimethoprim EP Impurity C has the molecular formula C14H18N4O4 and a molecular weight of 306.32 g/mol. Its IUPAC name is (2,4-diaminopyrimidin-5-yl)-(3,4,5-trimethoxyphenyl)methanol.

What is Trimethoprim EP Impurity C used for?

Trimethoprim EP Impurity C 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 C can I order?

We supply Trimethoprim EP Impurity C 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 C?

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

Yes. Trimethoprim EP Impurity C 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.