Ethyl 4-pyrazolecarboxylate - ≥99% , CAS No.37622-90-5

CAS: 37622-90-5 Cat. No.: E121781 Molecular Weight: 140.14 EC Number: 609-452-9
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
AKOS005174209 | Tox21_200982 | STR08196 | F1905-7158 | BBL012205 | W-202545 | Tox21_300597 | ethyl-1h-pyrazole-4-carboxylate | PB25908 | BP-12629 | ethyl 1~{H}-pyrazole-4-carboxylate | A1-08041 | SCHEMBL369224 | 1,5-PENTANEDIOL [INCI] | 4-Pyrazolecarboxyl
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
E121781-1g
9
$9.90
5g
E121781-5g
6
$10.90
10g
E121781-10g
4
$11.90
25g
E121781-25g
10

$21.90

$32.90
Save $11.00 (33.43%)
100g
E121781-100g
2

$86.90

$130.90
Save $44.00 (33.61%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Ethyl 4-pyrazolecarboxylate is a starting material employed in a copper-diamine-catalyzed N-arylation reaction.
Starting material employed in a copper-diamine-catalyzed N-arylation reaction.

Specifications

Synonyms
AKOS005174209 | Tox21_200982 | STR08196 | F1905-7158 | BBL012205 | W-202545 | Tox21_300597 | ethyl-1h-pyrazole-4-carboxylate | PB25908 | BP-12629 | ethyl 1~{H}-pyrazole-4-carboxylate | A1-08041 | SCHEMBL369224 | 1, 5-PENTANEDIOL [INCI] | 4-Pyrazolecarboxyl
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid488188132
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488188132
Canonical SmilesCCOC(=O)C1=CNN=C1
IUPAC Nameethyl 1H-pyrazole-4-carboxylate
InChIKeyKACZQOKEFKFNDB-UHFFFAOYSA-N
INCHI1S/C6H8N2O2/c1-2-10-6(9)5-3-7-8-4-5/h3-4H,2H2,1H3,(H,7,8)
Isomeric SMILES CCOC(=O)C1=CNN=C1
WGK Germany 3
Molecular Weight 140.14
Reaxy-Rn 115762
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=115762&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzoles
SubclassPyrazoles
Intermediate Tree Nodes Not available
Direct ParentPyrazole carboxylic acids and derivatives
Alternative Parents Vinylogous amides  Heteroaromatic compounds  Carboxylic acid esters  Monocarboxylic acids and derivatives  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyrazole-4-carboxylic acid or derivatives - Heteroaromatic compound - Vinylogous amide - Carboxylic acid ester - Azacycle - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrazole carboxylic acids and derivatives. These are heterocyclic compounds containing a pyrazole ring in which a hydrogen atom is replaced by a carboxylic acid group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

9 results found

Lot NumberCertificate TypeDateItem
D2225086Certificate of AnalysisFeb 04, 2026 E121781
D2225088Certificate of AnalysisFeb 04, 2026 E121781
K2123242Certificate of AnalysisSep 04, 2025 E121781
I2405193Certificate of AnalysisJun 24, 2024 E121781
I2405194Certificate of AnalysisJun 24, 2024 E121781
H1609036Certificate of AnalysisApr 10, 2024 E121781
I2502042Certificate of AnalysisFeb 28, 2022 E121781
D2310377Certificate of AnalysisNov 29, 2021 E121781
G2308081Certificate of AnalysisNov 29, 2021 E121781
Chemical and Physical Properties
SolubilityMiscible with acetone.
Boil Point(°C)140°C/3mmHg
Melt Point(°C)78°C
Molecular Weight140.140 g/mol
XLogP30.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass140.059 Da
Monoisotopic Mass140.059 Da
Topological Polar Surface Area55.000 Ų
Heavy Atom Count10
Formal Charge0
Complexity127.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

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