4,6-Dichloro-5-methoxypyrimidine

Name: 4,6-Dichloro-5-methoxypyrimidine
Brand: Vaqora Chemicals
SKU: VQ-033975

About 4,6-Dichloro-5-methoxypyrimidine

4,6-Dichloro-5-methoxypyrimidine (CAS 5018-38-2) is an impurity of Sulfadoxine offered by Vaqora Chemicals. The compound has the formula C5H4Cl2N2O, corresponding to a molecular weight of 179.0 g/mol. Common synonyms include Pyrimidine,6-dichloro-5-methoxy- and 4,6-dichlor-5-methoxypyrimidin.

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. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Sulfadoxine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. 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

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Sulfadoxine

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

Sulfadoxine impurities

Specifications & identifiers

Chemical identifiers
Product name	4,6-Dichloro-5-methoxypyrimidine
Catalogue No.	VQ-033975
CAS Number	5018-38-2
IUPAC name	4,6-dichloro-5-methoxypyrimidine
Molecular formula	C₅H₄Cl₂N₂O
Molecular weight	179 g/mol
Exact mass	177.9701
Grade	Reference Standard
HSN code	38229090
InChIKey	IJQIGKLDBGKSNT-UHFFFAOYSA-N
SMILES	COC1=C(N=CN=C1Cl)Cl
PubChem CID	78720

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	0 / 3
TPSA	35 Å²

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H318Causes serious eye damage

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P305 + P354 + P338, 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 4,6-Dichloro-5-methoxypyrimidine?

The CAS Registry Number of 4,6-Dichloro-5-methoxypyrimidine is 5018-38-2. It is also known as Pyrimidine,6-dichloro-5-methoxy-, 4,6-dichlor-5-methoxypyrimidin, Pyrimidine, 4,6-dichloro-5-methoxy-.

What is the molecular formula and molecular weight of 4,6-Dichloro-5-methoxypyrimidine?

4,6-Dichloro-5-methoxypyrimidine has the molecular formula C5H4Cl2N2O and a molecular weight of 179 g/mol. Its IUPAC name is 4,6-dichloro-5-methoxypyrimidine.

What is 4,6-Dichloro-5-methoxypyrimidine used for?

4,6-Dichloro-5-methoxypyrimidine is supplied as a characterised reference material related to Sulfadoxine. 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 4,6-Dichloro-5-methoxypyrimidine can I order?

We supply 4,6-Dichloro-5-methoxypyrimidine 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 4,6-Dichloro-5-methoxypyrimidine?

Yes. Every lot of 4,6-Dichloro-5-methoxypyrimidine 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 4,6-Dichloro-5-methoxypyrimidine be shipped internationally?

Yes. 4,6-Dichloro-5-methoxypyrimidine 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.