Ethyl 1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate - ≥97% , CAS No.5932-31-0

CAS: 5932-31-0 Cat. No.: E420043 Molecular Weight: 180.21 EC Number: 696-180-9
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
NDGAORNQTOHHSU-UHFFFAOYSA-N | DG-0049 | SCHEMBL17927711 | ethyl 1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylate | ethyl 2,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate | SCHEMBL5079536 | AKOS003673608 | MFCD07778361 | 1,4,5,6-TETRAHYDRO-CYCLOPENTAPY
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
E420043-250mg
4

$35.90

$53.90
Save $18.00 (33.40%)
1g
E420043-1g
9

$46.90

$70.90
Save $24.00 (33.85%)
5g
E420043-5g
4

$126.90

$190.90
Save $64.00 (33.53%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships 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.

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Literature proof

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

Overview

Ethyl 1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate (CAS# 5932-31-0) is a useful research chemical compound.

Specifications

Synonyms
NDGAORNQTOHHSU-UHFFFAOYSA-N | DG-0049 | SCHEMBL17927711 | ethyl 1H, 4H, 5H, 6H-cyclopenta[c]pyrazole-3-carboxylate | ethyl 2, 4, 5, 6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate | SCHEMBL5079536 | AKOS003673608 | MFCD07778361 | 1, 4, 5, 6-TETRAHYDRO-CYCLOPENTAPY
Specifications & Purity
≥97%
Storage
Room temperature
Purity
≥97%
Names and Identifiers
Pubchem Sid488200268
Canonical SmilesCCOC(=O)C1=NNC2=C1CCC2
IUPAC Nameethyl 1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate
InChIKeyNDGAORNQTOHHSU-UHFFFAOYSA-N
INCHI1S/C9H12N2O2/c1-2-13-9(12)8-6-4-3-5-7(6)10-11-8/h2-5H2,1H3,(H,10,11)
Isomeric SMILES CCOC(=O)C1=NNC2=C1CCC2
Molecular Weight 180.21
Reaxy-Rn 8972
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8972&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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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 Heteroaromatic compounds  Carboxylic acid esters  Monocarboxylic acids and derivatives  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Pyrazole-3-carboxylic acid or derivatives - Pyrazole-5-carboxylic acid or derivatives - Heteroaromatic compound - 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 heteropolycyclic 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





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.

5 results found

Lot NumberCertificate TypeDateItem
D2312005Certificate of AnalysisJan 20, 2026 E420043
K2211559Certificate of AnalysisAug 18, 2025 E420043
K2211445Certificate of AnalysisAug 18, 2025 E420043
K2211470Certificate of AnalysisAug 12, 2025 E420043
F2519120Certificate of AnalysisJun 30, 2025 E420043
Chemical and Physical Properties
Molecular Weight180.200 g/mol
XLogP31.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass180.09 Da
Monoisotopic Mass180.09 Da
Topological Polar Surface Area55.000 Ų
Heavy Atom Count13
Formal Charge0
Complexity208.000
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
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