Sulfadimethoxine EP Impurity A

Name: Sulfadimethoxine EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-035246

About Sulfadimethoxine EP Impurity A

Listed under CAS 3289-50-7, Sulfadimethoxine EP Impurity A is a pharmacopeial impurity of Sulfadimethoxine available from Vaqora Chemicals. Formula C6H9N3O2, molecular weight 155.15 g/mol. Systematically, it is named 2,6-dimethoxypyrimidin-4-amine. Alternative names: Sulfadimethoxine - Impurity A and 4-Amino-2,6-dimethoxypyrimidine.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Sulfadimethoxine, 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.

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 Sulfadimethoxine

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

Sulfadimethoxine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sulfadimethoxine EP Impurity A
Catalogue No.	VQ-035246
CAS Number	3289-50-7
IUPAC name	2,6-dimethoxypyrimidin-4-amine
Molecular formula	C₆H₉N₃O₂
Molecular weight	155.15 g/mol
Exact mass	155.0695
Grade	Reference Standard
HSN code	38229090
InChIKey	LNTJJKHTAZFVJJ-UHFFFAOYSA-N
SMILES	COC1=NC(=NC(=C1)N)OC
PubChem CID	76789

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	1 / 5
TPSA	70.3 Å²
Synonyms	Sulfadimethoxine - 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

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 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 Sulfadimethoxine EP Impurity A?

The CAS Registry Number of Sulfadimethoxine EP Impurity A is 3289-50-7. It is also known as Sulfadimethoxine - Impurity A, 4-Amino-2,6-dimethoxypyrimidine, 4-Pyrimidinamine, 2,6-dimethoxy-.

What is the molecular formula and molecular weight of Sulfadimethoxine EP Impurity A?

Sulfadimethoxine EP Impurity A has the molecular formula C6H9N3O2 and a molecular weight of 155.15 g/mol. Its IUPAC name is 2,6-dimethoxypyrimidin-4-amine.

What is Sulfadimethoxine EP Impurity A used for?

Sulfadimethoxine EP Impurity A is supplied as a characterised reference material related to Sulfadimethoxine. 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 Sulfadimethoxine EP Impurity A can I order?

We supply Sulfadimethoxine EP Impurity A 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 Sulfadimethoxine EP Impurity A?

Yes. Every lot of Sulfadimethoxine EP Impurity A 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 Sulfadimethoxine EP Impurity A be shipped internationally?

Yes. Sulfadimethoxine EP Impurity A 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.