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API Process Intermediates & Related Compounds

2-Chloro-4(3H)-pyrimidinone

Reference StandardIn stock

2-Chloro-4(3H)-pyrimidinone (CAS 55873-09-1) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
2-Chloro-4(3H)-pyrimidinone chemical structure
CAS number55873-09-1
FormulaC4H3ClN2O
Molar mass130.53 g/mol
Physical formSolid
HS code2933
InChIKeyFETSYNXZMUAONO-UHFFFAOYSA-N
IUPAC name2-chloro-1H-pyrimidin-6-one

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

Researchers and plant chemists source 2-Chloro-4(3H)-pyrimidinone from Zemixal for routine and specialised work. For your records (Reference Standard), the material is defined by CAS 55873-09-1, formula C4H3ClN2O and molar mass 130.53 g/mol. It is handled as a solid.

Typical applications

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

Storage and safety notes

No GHS classification is recorded for this item, but handle it with normal laboratory care.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Pazopanib

See every impurity, metabolite and related compound we list for this API.

Pazopanib standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 2-Chloro-4(3H)-pyrimidinone
Product name2-Chloro-4(3H)-pyrimidinone
Catalogue numberZX-012002
CAS number55873-09-1
IUPAC name2-chloro-1H-pyrimidin-6-one
Molecular formulaC4H3ClN2O
Molar mass130.53 g/mol
Exact mass129.9934
GradeReference Standard
Physical formSolid
XLogP30.6
H-bond donors / acceptors1 / 2
Topological polar surface area41.5 Ų
HS code2933
InChIKeyFETSYNXZMUAONO-UHFFFAOYSA-N
SMILESC1=CN=C(NC1=O)Cl
PubChem CID13678541
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of 2-Chloro-4(3H)-pyrimidinone
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 2-Chloro-4(3H)-pyrimidinone

Which CAS number identifies 2-Chloro-4(3H)-pyrimidinone?
2-Chloro-4(3H)-pyrimidinone is registered under CAS 55873-09-1. You may also see it listed as 2-Chloro-4-hydroxypyrimidine, 2-Chloropyrimidin-4-ol, 2-Chloropyrimidin-4(3H)-one. Our catalogue number for this item is ZX-012002.
What are the formula and molar mass of 2-Chloro-4(3H)-pyrimidinone?
For 2-Chloro-4(3H)-pyrimidinone, its formula is C4H3ClN2O and its molar mass is 130.53 g/mol. The systematic (IUPAC) name is 2-chloro-1H-pyrimidin-6-one. InChIKey FETSYNXZMUAONO-UHFFFAOYSA-N lets you match it in any structure database.
How is 2-Chloro-4(3H)-pyrimidinone used in pharmaceutical QC?
2-Chloro-4(3H)-pyrimidinone is a characterised reference material linked to Pazopanib. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 2-Chloro-4(3H)-pyrimidinone?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 2-Chloro-4(3H)-pyrimidinone?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 2-Chloro-4(3H)-pyrimidinone to my country?
Yes. 2-Chloro-4(3H)-pyrimidinone ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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