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

Name: Ethyl 5-acetyl-1H-pyrazole-3-carboxylate
Brand: Vaqora Chemicals
SKU: VQ-047954

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

Ethyl 5-acetyl-1H-pyrazole-3-carboxylate (CAS 37622-89-2) is an impurity of Darolutamide offered by Vaqora Chemicals. Formula C8H10N2O3, molecular weight 182.18 g/mol. The IUPAC name is ethyl 3-acetyl-1H-pyrazole-5-carboxylate. It is also known as Ethyl 5-acetylpyraz or Ethyl 5-acetylpyrazole-3-carboxylate.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Darolutamide to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Darolutamide

View every impurity, metabolite and intermediate we list for Darolutamide.

Darolutamide impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethyl 5-acetyl-1H-pyrazole-3-carboxylate
Catalogue No.	VQ-047954
CAS Number	37622-89-2
IUPAC name	ethyl 3-acetyl-1H-pyrazole-5-carboxylate
Molecular formula	C₈H₁₀N₂O₃
Molecular weight	182.18 g/mol
Exact mass	182.0691
Grade	Reference Standard
HSN code	38229090
InChIKey	DUGSTTIFTRKIBL-UHFFFAOYSA-N
SMILES	CCOC(=O)C1=CC(=NN1)C(=O)C
PubChem CID	16220430

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	1 / 4
TPSA	72.1 Å²
Synonyms	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, Ethyl 5-acetylpyraz, Ethyl 5-acetylpyrazole-3-carboxylate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ethyl 5-acetyl-1H-pyrazole-3-carboxylate?

The CAS Registry Number of Ethyl 5-acetyl-1H-pyrazole-3-carboxylate is 37622-89-2. It is also known 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.

What is the molecular formula and molecular weight of Ethyl 5-acetyl-1H-pyrazole-3-carboxylate?

Ethyl 5-acetyl-1H-pyrazole-3-carboxylate has the molecular formula C8H10N2O3 and a molecular weight of 182.18 g/mol. Its IUPAC name is ethyl 3-acetyl-1H-pyrazole-5-carboxylate.

What is Ethyl 5-acetyl-1H-pyrazole-3-carboxylate used for?

Ethyl 5-acetyl-1H-pyrazole-3-carboxylate is supplied as a characterised reference material related to Darolutamide. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Ethyl 5-acetyl-1H-pyrazole-3-carboxylate can I order?

We supply Ethyl 5-acetyl-1H-pyrazole-3-carboxylate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ethyl 5-acetyl-1H-pyrazole-3-carboxylate?

Yes. Every lot of Ethyl 5-acetyl-1H-pyrazole-3-carboxylate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ethyl 5-acetyl-1H-pyrazole-3-carboxylate be shipped internationally?

Yes. Ethyl 5-acetyl-1H-pyrazole-3-carboxylate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.