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Metabolites & Degradation Products

2,4-Diaminopyrimidine 3-N-Oxide

Reference StandardAvailable on request

Buy 2,4-Diaminopyrimidine 3-N-Oxide (CAS 74638-76-9) from Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
2,4-Diaminopyrimidine 3-N-Oxide chemical structure
CAS number74638-76-9
FormulaC4H6N4O
Molar mass126.12 g/mol
Physical formSolid
HS code38229090
InChIKeyYTKGAYFHUZTLCI-UHFFFAOYSA-N
IUPAC name3-hydroxy-2-iminopyrimidin-4-amine

About 2,4-Diaminopyrimidine 3-N-Oxide

Zemixal lists 2,4-Diaminopyrimidine 3-N-Oxide for laboratories that identify, quantify or control Minoxidil and its related substances. For your records (Reference Standard), the material is defined by CAS 74638-76-9, formula C4H6N4O and molar mass 126.12 g/mol. It is handled as a solid.

Where it is used

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Safe handling

It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Minoxidil

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

Minoxidil standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Specifications and identifiers

Specifications of 2,4-Diaminopyrimidine 3-N-Oxide
Product name2,4-Diaminopyrimidine 3-N-Oxide
Catalogue numberZX-025261
CAS number74638-76-9
IUPAC name3-hydroxy-2-iminopyrimidin-4-amine
Molecular formulaC4H6N4O
Molar mass126.12 g/mol
Exact mass126.0542
GradeReference Standard
Physical formSolid
XLogP3-1.4
H-bond donors / acceptors3 / 3
Topological polar surface area85.7 Ų
HS code38229090
InChIKeyYTKGAYFHUZTLCI-UHFFFAOYSA-N
SMILESC1=C(N(C(=N)N=C1)O)N
PubChem CID10197687
SynonymsKopexil, 2,4-diaminopyrimidine-3-oxide, 2,4-Diamino pyrimidine-3-oxide, Mexoryl SAG, 2,4-Pyrimidinediamine, 3-oxide, 2,6-diaminopyrimidine 1-oxide, diaminopyrimidine oxide, 2,4-Diaminopyrimidin-3-oxid, 2,4-Pyrimidinediamine 3-oxide, 6-Amino-2-iminopyrimidin-1(2H)-ol

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 2,4-Diaminopyrimidine 3-N-Oxide
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 2,4-Diaminopyrimidine 3-N-Oxide

Which CAS number identifies 2,4-Diaminopyrimidine 3-N-Oxide?
2,4-Diaminopyrimidine 3-N-Oxide is registered under CAS 74638-76-9. You may also see it listed as Kopexil, 2,4-diaminopyrimidine-3-oxide, 2,4-Diamino pyrimidine-3-oxide. Our catalogue number for this item is ZX-025261.
What are the formula and molar mass of 2,4-Diaminopyrimidine 3-N-Oxide?
For 2,4-Diaminopyrimidine 3-N-Oxide, its formula is C4H6N4O and its molar mass is 126.12 g/mol. The systematic (IUPAC) name is 3-hydroxy-2-iminopyrimidin-4-amine. InChIKey YTKGAYFHUZTLCI-UHFFFAOYSA-N lets you match it in any structure database.
How is 2,4-Diaminopyrimidine 3-N-Oxide used in pharmaceutical QC?
2,4-Diaminopyrimidine 3-N-Oxide is a characterised reference material linked to Minoxidil. 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 2,4-Diaminopyrimidine 3-N-Oxide?
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 2,4-Diaminopyrimidine 3-N-Oxide?
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 2,4-Diaminopyrimidine 3-N-Oxide to my country?
Yes. Because 2,4-Diaminopyrimidine 3-N-Oxide 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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