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API Impurities

Ethyl 5-acetyl-1H-pyrazole-3-carboxylate

Reference StandardAvailable on request

Buy Ethyl 5-acetyl-1H-pyrazole-3-carboxylate (CAS 37622-89-2) from Zemixal: C8H10N2O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Ethyl 5-acetyl-1H-pyrazole-3-carboxylate chemical structure
CAS number37622-89-2
FormulaC8H10N2O3
Molar mass182.18 g/mol
Physical formSolid
HS code38229090
InChIKeyDUGSTTIFTRKIBL-UHFFFAOYSA-N
IUPAC nameethyl 3-acetyl-1H-pyrazole-5-carboxylate

About Ethyl 5-acetyl-1H-pyrazole-3-carboxylate

Analytical teams working on Darolutamide use Ethyl 5-acetyl-1H-pyrazole-3-carboxylate as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 37622-89-2, formula C8H10N2O3 and molar mass 182.18 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Safe handling

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Darolutamide

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

Darolutamide standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Ethyl 5-acetyl-1H-pyrazole-3-carboxylate
Product nameEthyl 5-acetyl-1H-pyrazole-3-carboxylate
Catalogue numberZX-039016
CAS number37622-89-2
IUPAC nameethyl 3-acetyl-1H-pyrazole-5-carboxylate
Molecular formulaC8H10N2O3
Molar mass182.18 g/mol
Exact mass182.0691
GradeReference Standard
Physical formSolid
XLogP30.8
H-bond donors / acceptors1 / 4
Topological polar surface area72.1 Ų
HS code38229090
InChIKeyDUGSTTIFTRKIBL-UHFFFAOYSA-N
SMILESCCOC(=O)C1=CC(=NN1)C(=O)C
PubChem CID16220430
Synonyms1H-Pyrazole-3-carboxylic acid, 5-acetyl-, ethyl ester, 5-acetyl-1H-pyrazole-3-carboxylic acid ethyl ester, 5-acetylpyrazole-3-carboxylic acid ethyl ester, Ethyl 5-acetylpyraz, Ethyl 5-acetylpyrazole-3-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

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, 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 Ethyl 5-acetyl-1H-pyrazole-3-carboxylate
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 Ethyl 5-acetyl-1H-pyrazole-3-carboxylate

Which CAS number identifies Ethyl 5-acetyl-1H-pyrazole-3-carboxylate?
Ethyl 5-acetyl-1H-pyrazole-3-carboxylate is registered under CAS 37622-89-2. You may also see it listed as 1H-Pyrazole-3-carboxylic acid, 5-acetyl-, ethyl ester, 5-acetyl-1H-pyrazole-3-carboxylic acid ethyl ester, 5-acetylpyrazole-3-carboxylic acid ethyl ester. Our catalogue number for this item is ZX-039016.
What are the formula and molar mass of Ethyl 5-acetyl-1H-pyrazole-3-carboxylate?
For Ethyl 5-acetyl-1H-pyrazole-3-carboxylate, its formula is C8H10N2O3 and its molar mass is 182.18 g/mol. The systematic (IUPAC) name is ethyl 3-acetyl-1H-pyrazole-5-carboxylate. InChIKey DUGSTTIFTRKIBL-UHFFFAOYSA-N lets you match it in any structure database.
How is Ethyl 5-acetyl-1H-pyrazole-3-carboxylate used in pharmaceutical QC?
Ethyl 5-acetyl-1H-pyrazole-3-carboxylate is a characterised reference material linked to Darolutamide. 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 Ethyl 5-acetyl-1H-pyrazole-3-carboxylate?
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 Ethyl 5-acetyl-1H-pyrazole-3-carboxylate?
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 Ethyl 5-acetyl-1H-pyrazole-3-carboxylate to my country?
Yes. Because Ethyl 5-acetyl-1H-pyrazole-3-carboxylate 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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