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API Impurities

4-Amino-2-chloro-5-fluoropyrimidine

Reference StandardAvailable on request

4-Amino-2-chloro-5-fluoropyrimidine (CAS 155-10-2) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
4-Amino-2-chloro-5-fluoropyrimidine chemical structure
CAS number155-10-2
FormulaC4H3ClFN3
Molar mass147.54 g/mol
Physical formSolid
HS code38229090
InChIKeySLQAJWTZUXJPNY-UHFFFAOYSA-N
IUPAC name2-chloro-5-fluoropyrimidin-4-amine

About 4-Amino-2-chloro-5-fluoropyrimidine

4-Amino-2-chloro-5-fluoropyrimidine is supplied by Zemixal as a characterised reference material for Flucytosine analysis. Key data (Reference Standard): CAS 155-10-2, formula C4H3ClFN3 and molar mass 147.54 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Flucytosine

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

Flucytosine standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 4-Amino-2-chloro-5-fluoropyrimidine
Product name4-Amino-2-chloro-5-fluoropyrimidine
Catalogue numberZX-029542
CAS number155-10-2
IUPAC name2-chloro-5-fluoropyrimidin-4-amine
Molecular formulaC4H3ClFN3
Molar mass147.54 g/mol
Exact mass147
GradeReference Standard
Physical formSolid
XLogP30.9
H-bond donors / acceptors1 / 4
Topological polar surface area51.8 Ų
HS code38229090
InChIKeySLQAJWTZUXJPNY-UHFFFAOYSA-N
SMILESC1=C(C(=NC(=N1)Cl)N)F
PubChem CID254372
Synonyms2-Chloro-4-amino-5-fluoropyrimidine, 4-Pyrimidinamine, 2-chloro-5-fluoro-, 2-chloro-5-fluoro-pyrimidin-4-amine, 2-Chloro-5-fluoro-pyrimidin-4-ylamine, 2-Chlor-4-amino-5-fluorpyrimidin, 2-chloro-5-fluoropyrimidine-4-ylamine, 2-chloro-5-fluoro-4-aminopyrimidine, 2-chloro-5-fluoropyrimidin-4-ylamine, 2-chloro-5-luoropyrimidin-4-amine

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 4-Amino-2-chloro-5-fluoropyrimidine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 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 4-Amino-2-chloro-5-fluoropyrimidine

Which CAS number identifies 4-Amino-2-chloro-5-fluoropyrimidine?
4-Amino-2-chloro-5-fluoropyrimidine is registered under CAS 155-10-2. You may also see it listed as 2-Chloro-4-amino-5-fluoropyrimidine, 4-Pyrimidinamine, 2-chloro-5-fluoro-, 2-chloro-5-fluoro-pyrimidin-4-amine. Our catalogue number for this item is ZX-029542.
What are the formula and molar mass of 4-Amino-2-chloro-5-fluoropyrimidine?
For 4-Amino-2-chloro-5-fluoropyrimidine, its formula is C4H3ClFN3 and its molar mass is 147.54 g/mol. The systematic (IUPAC) name is 2-chloro-5-fluoropyrimidin-4-amine. InChIKey SLQAJWTZUXJPNY-UHFFFAOYSA-N lets you match it in any structure database.
How is 4-Amino-2-chloro-5-fluoropyrimidine used in pharmaceutical QC?
4-Amino-2-chloro-5-fluoropyrimidine is a characterised reference material linked to Flucytosine. 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 4-Amino-2-chloro-5-fluoropyrimidine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 4-Amino-2-chloro-5-fluoropyrimidine?
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 4-Amino-2-chloro-5-fluoropyrimidine to my country?
Yes. Because 4-Amino-2-chloro-5-fluoropyrimidine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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