Ethyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate - ≥97% , CAS No.4815-29-6

CAS: 4815-29-6 Cat. No.: E633966 Molecular Weight: 211.28 EC Number: 674-837-0 PubChem CID: 264105
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
NSC99004 | NSC-99004 | 4H-Cyclopenta[b]thiophene-3-carboxylic acid, 2-amino-5,6-dihydro-, ethyl ester | AH-357/03337056 | Ethyl 2-Amino-4H,5H,6H-Cyclopenta[B]Thiophene-3-Carboxylate | ethyl 2-amino-5,6-dihydro-4h-cyclopenta[b]-thiophene-3-carboxylate | Et
Storage
Store at 2-8°C
Shipped In
Wet ice
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100g
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Why this grade

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

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Storage & shipping

Store at 2-8°C Ships Wet ice 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.

Specifications

Synonyms
NSC99004 | NSC-99004 | 4H-Cyclopenta[b]thiophene-3-carboxylic acid, 2-amino-5, 6-dihydro-, ethyl ester | AH-357/03337056 | Ethyl 2-Amino-4H, 5H, 6H-Cyclopenta[B]Thiophene-3-Carboxylate | ethyl 2-amino-5, 6-dihydro-4h-cyclopenta[b]-thiophene-3-carboxylate | Et
Specifications & Purity
≥97%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesCCOC(=O)C1=C(SC2=C1CCC2)N
IUPAC Nameethyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate
InChIKeyBOJXCJDYZJSPMZ-UHFFFAOYSA-N
INCHI1S/C10H13NO2S/c1-2-13-10(12)8-6-4-3-5-7(6)14-9(8)11/h2-5,11H2,1H3
Isomeric SMILES CCOC(=O)C1=C(SC2=C1CCC2)N
Alternate CAS 4815-29-6
PubChem CID 264105
NSC Number 99004
Molecular Weight 211.28

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
ClassThiophenes
SubclassAminothiophenes
Intermediate Tree Nodes 2-aminothiophenes
Direct Parent3,4,5-trisubstituted-2-aminothiophenes
Alternative Parents Thiophene carboxylic acids and derivatives  Vinylogous amides  Heteroaromatic compounds  Carboxylic acid esters  Amino acids and derivatives  Monocarboxylic acids and derivatives  Primary amines  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 3,4,5-trisubstituted-2-aminothiophene - Thiophene carboxylic acid or derivatives - Vinylogous amide - Heteroaromatic compound - Amino acid or derivatives - Carboxylic acid ester - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Primary amine - Organooxygen compound - Organonitrogen compound - Amine - Organic oxide - Hydrocarbon derivative - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 3,4,5-trisubstituted-2-aminothiophenes. These are organic compounds containing a thiophene ring substituted at the 2-,3-,4-, and 5-position, with an amine group at the 2-position.
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
I2411232Certificate of AnalysisJun 26, 2024 E633966
I2411233Certificate of AnalysisJun 26, 2024 E633966
I2411234Certificate of AnalysisJun 26, 2024 E633966
I2411235Certificate of AnalysisJun 26, 2024 E633966
I2411236Certificate of AnalysisJun 26, 2024 E633966
I2411237Certificate of AnalysisJun 26, 2024 E633966
I2411238Certificate of AnalysisJun 26, 2024 E633966
I2411239Certificate of AnalysisJun 26, 2024 E633966
I2411240Certificate of AnalysisJun 26, 2024 E633966
Chemical and Physical Properties
Molecular Weight211.280 g/mol
XLogP32.700
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass211.067 Da
Monoisotopic Mass211.067 Da
Topological Polar Surface Area80.600 Ų
Heavy Atom Count14
Formal Charge0
Complexity234.000
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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