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VAQORACHEMICALS

2-Chloro-4(3H)-pyrimidinone

Synonyms: 2-Chloro-4-hydroxypyrimidine · 2-Chloropyrimidin-4-ol · 2-Chloropyrimidin-4(3H)-one · 2-Chloro-4(1H)-pyrimidinone

CAS No.55873-09-1
FormulaC4H3ClN2O
Mol. weight130.53
Catalogue No.VQ-012944
PurityReference Standard
HSN2933

2-Chloro-4(3H)-pyrimidinone (CAS 55873-09-1) – Pazopanib intermediate. C4H3ClN2O, MW 130.53. COA included. Worldwide shipping from Vaqora Chemicals.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
250 mg
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 2-Chloro-4(3H)-pyrimidinone

2-Chloro-4(3H)-pyrimidinone (CAS 55873-09-1) is a process intermediate or related compound of Pazopanib offered by Vaqora Chemicals. With the molecular formula C4H3ClN2O, it has a molar mass of 130.53 g/mol. Its systematic (IUPAC) name is 2-chloro-1H-pyrimidin-6-one. Common synonyms include 2-Chloro-4-hydroxypyrimidine and 2-Chloropyrimidin-4-ol.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Process chemists and analysts use it when developing synthetic routes to Pazopanib, tracking process-related impurities and validating analytical methods. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 2-Chloro-4(3H)-pyrimidinone is dispatched with a Certificate of Analysis (COA) to destinations worldwide. Stock is available for quick dispatch.

Typical applications

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Industries

Related to Pazopanib

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

Pazopanib impurities

Specifications & identifiers

Chemical identifiers
Product name2-Chloro-4(3H)-pyrimidinone
Catalogue No.VQ-012944
CAS Number55873-09-1
IUPAC name2-chloro-1H-pyrimidin-6-one
Molecular formulaC4H3ClN2O
Molecular weight130.53 g/mol
Exact mass129.9934
GradeReference Standard
HSN code2933
InChIKeyFETSYNXZMUAONO-UHFFFAOYSA-N
SMILESC1=CN=C(NC1=O)Cl
PubChem CID13678541
Physical properties
Physical formSolid
LogP (XLogP3)0.6
H-bond donors / acceptors1 / 2
TPSA41.5 Ų
Synonyms2-Chloro-4-hydroxypyrimidine, 2-Chloropyrimidin-4-ol, 2-Chloropyrimidin-4(3H)-one, 2-Chloro-4(1H)-pyrimidinone, Chlor- 6-Oxypyrimidin, 4(3H)-Pyrimidinone,2-chloro-, 4(1H)-Pyrimidino, 4(1H)-Pyrimidinone, 2-chloro-, 4(3H)-Pyrimidinone, 2-chloro-, 2-chloro-3,4-dihydropyrimidin-4-one

Documents

Frequently asked questions

What is the CAS number of 2-Chloro-4(3H)-pyrimidinone?

The CAS Registry Number of 2-Chloro-4(3H)-pyrimidinone is 55873-09-1. It is also known as 2-Chloro-4-hydroxypyrimidine, 2-Chloropyrimidin-4-ol, 2-Chloropyrimidin-4(3H)-one.

What is the molecular formula and molecular weight of 2-Chloro-4(3H)-pyrimidinone?

2-Chloro-4(3H)-pyrimidinone has the molecular formula C4H3ClN2O and a molecular weight of 130.53 g/mol. Its IUPAC name is 2-chloro-1H-pyrimidin-6-one.

What is 2-Chloro-4(3H)-pyrimidinone used for?

2-Chloro-4(3H)-pyrimidinone is supplied as a characterised reference material related to Pazopanib. 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 2-Chloro-4(3H)-pyrimidinone can I order?

We supply 2-Chloro-4(3H)-pyrimidinone in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Chloro-4(3H)-pyrimidinone?

Yes. Every lot of 2-Chloro-4(3H)-pyrimidinone 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 2-Chloro-4(3H)-pyrimidinone be shipped internationally?

Yes. We export 2-Chloro-4(3H)-pyrimidinone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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Related products

Reference Standard
Pazopanib chemical structure
Pazopanib
CAS
444731-52-6
Formula
C21H23N7O2S
MW
437.5 g/mol
VQ-007644

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