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(E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester

Reference StandardAvailable on request

Buy (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester (CAS 321571-07-7) from Zemixal…

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(E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester chemical structure
CAS number321571-07-7
FormulaC12H14N4O4
Molar mass278.26 g/mol
Physical formSolid
HS code38229090
InChIKeyGMGGKDVJSPDXNB-UHFFFAOYSA-N
IUPAC nameethyl 5-[(2-cyano-3-ethoxy-3-oxoprop-1-enyl)amino]-1H-pyrazole-4-carboxylate

About (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester

Analytical teams working on Allopurinol use (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 321571-07-7, formula C12H14N4O4 and molar mass 278.26 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Hazard communication follows GHS (Warning: H315 and H319). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

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 (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester
Product name(E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester
Catalogue numberZX-020549
CAS number321571-07-7
IUPAC nameethyl 5-[(2-cyano-3-ethoxy-3-oxoprop-1-enyl)amino]-1H-pyrazole-4-carboxylate
Molecular formulaC12H14N4O4
Molar mass278.26 g/mol
Exact mass278.1015
GradeReference Standard
Physical formSolid
XLogP31.6
H-bond donors / acceptors2 / 7
Topological polar surface area117 Ų
HS code38229090
InChIKeyGMGGKDVJSPDXNB-UHFFFAOYSA-N
SMILESCCOC(=O)C1=C(NN=C1)NC=C(C#N)C(=O)OCC
PubChem CID3797861
SynonymsEthyl-3-(2-carbethoxy-2-cyanoethenyl)amino-1H-pyrazole-4-carboxylate, Ethyl 3-((2-cyano-3-ethoxy-3-oxoprop-1-en-1-yl)amino)-1H-pyrazole-4-carboxylate, Ethyl (E/Z)-3-(2-Carbethoxy-2-cyanoethenyl)amino-1H-pyrazole-4-carboxylate, ethyl 3-[(2-cyano-3-ethoxy-3-oxoprop-1-en-1-yl)amino]-1h-pyrazole-4-carboxylate, (Ethyl-(E/Z)-3-(2-carbethoxy-2-cyanoethenyl)amino-1H-pyrazole-4-carboxylate), ethyl 5-[(2-cyano-3-ethoxy-3-oxo-prop-1-enyl)amino]-1H-pyrazole-4-carboxylate

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

  • H315Causes skin irritation
  • H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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 (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester
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 (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester

Which CAS number identifies (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester?
(E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester is registered under CAS 321571-07-7. You may also see it listed as Ethyl-3-(2-carbethoxy-2-cyanoethenyl)amino-1H-pyrazole-4-carboxylate, Ethyl 3-((2-cyano-3-ethoxy-3-oxoprop-1-en-1-yl)amino)-1H-pyrazole-4-carboxylate, Ethyl (E/Z)-3-(2-Carbethoxy-2-cyanoethenyl)amino-1H-pyrazole-4-carboxylate. Our catalogue number for this item is ZX-020549.
What are the formula and molar mass of (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester?
For (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester, its formula is C12H14N4O4 and its molar mass is 278.26 g/mol. The systematic (IUPAC) name is ethyl 5-[(2-cyano-3-ethoxy-3-oxoprop-1-enyl)amino]-1H-pyrazole-4-carboxylate. InChIKey GMGGKDVJSPDXNB-UHFFFAOYSA-N lets you match it in any structure database.
How is (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester used in pharmaceutical QC?
(E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester 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 (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester?
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 (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester?
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 (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester to my country?
Yes. Because (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester 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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