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API Impurities

Allopurinol Nitrile Impurity

Reference StandardAvailable on request

Buy Allopurinol Nitrile Impurity (CAS 16617-46-2) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-022376.

Pack sizes
Allopurinol Nitrile Impurity chemical structure
CAS number16617-46-2
FormulaC4H4N4
Molar mass108.1 g/mol
Physical formSolid
HS code38229090
InChIKeyFFNKBQRKZRMYCL-UHFFFAOYSA-N
IUPAC name5-amino-1H-pyrazole-4-carbonitrile

About Allopurinol Nitrile Impurity

Allopurinol Nitrile Impurity is supplied by Zemixal as a characterised reference material for Allopurinol analysis. For your records (Reference Standard), the material is defined by CAS 16617-46-2, formula C4H4N4 and molar mass 108.1 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

Hazard communication follows GHS (Danger: H301+H311+H331, H302, H312 and H315). Our SDS lists exposure controls and first-aid measures.

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 Allopurinol

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

Allopurinol 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 Allopurinol Nitrile Impurity
Product nameAllopurinol Nitrile Impurity
Catalogue numberZX-022376
CAS number16617-46-2
IUPAC name5-amino-1H-pyrazole-4-carbonitrile
Molecular formulaC4H4N4
Molar mass108.1 g/mol
Exact mass108.0436
GradeReference Standard
Physical formSolid
XLogP30.1
H-bond donors / acceptors2 / 3
Topological polar surface area78.5 Ų
HS code38229090
InChIKeyFFNKBQRKZRMYCL-UHFFFAOYSA-N
SMILESC1=NNC(=C1C#N)N
PubChem CID85515
Synonyms3-Aminopyrazole-4-Carbonitrile, 3-Amino-4-cyanopyrazole, 3-Amino-4-pyrazolecarbonitrile, 5-Amino-4-cyanopyrazole, 3-Amino-1H-pyrazole-4-carbonitrile, 1H-Pyrazole-4-carbonitrile, 3-amino-, 5-Aminopyrazole-4-carbonitrile, 3-amino-4-cyano-1h-pyrazole, 4-cyano-5-aminopyrazole, Pyrazole-4-carbonitrile, 3-amino-, 5-Amino-4-pyrazolecarbonitrile, 3-Aminopyrazole-4-nitrile

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H301+H311+H331Toxic if swallowed, in contact with skin or if inhaled
  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation

Precautionary statements P261, P262, P264, P264 + P265, P270, P271, P280, P301 + P316, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P317, P319, P321, P330, P332 + P317, P337 + P317, P361 + P364, P362 + P364, P403 + P233, P405, 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 Allopurinol Nitrile Impurity
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 Allopurinol Nitrile Impurity

Which CAS number identifies Allopurinol Nitrile Impurity?
Allopurinol Nitrile Impurity is registered under CAS 16617-46-2. You may also see it listed as 3-Aminopyrazole-4-Carbonitrile, 3-Amino-4-cyanopyrazole, 3-Amino-4-pyrazolecarbonitrile. Our catalogue number for this item is ZX-022376.
What are the formula and molar mass of Allopurinol Nitrile Impurity?
For Allopurinol Nitrile Impurity, its formula is C4H4N4 and its molar mass is 108.1 g/mol. The systematic (IUPAC) name is 5-amino-1H-pyrazole-4-carbonitrile. InChIKey FFNKBQRKZRMYCL-UHFFFAOYSA-N lets you match it in any structure database.
How is Allopurinol Nitrile Impurity used in pharmaceutical QC?
Allopurinol Nitrile Impurity is a characterised reference material linked to Allopurinol. 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 Allopurinol Nitrile Impurity?
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 Allopurinol Nitrile Impurity?
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 Allopurinol Nitrile Impurity to my country?
Yes. Because Allopurinol Nitrile Impurity 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.

Other grades with CAS 16617-46-2

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