2-Aminothiophene-3-carboxylic acid - ≥97% , CAS No.56387-08-7

CAS: 56387-08-7 Cat. No.: A635974 Molecular Weight: 143.16 EC Number: 848-936-6 PubChem CID: 1512503
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
MFCD03426102 | 2-aminothiophene-3-carboxylic | DTXSID50363692 | FT-0649872 | SY258634 | TS-00048 | 3-Thiophenecarboxylic acid, 2-amino- | J-508085 | EN300-114599 | 2-Amino-3-thiophenecarboxylic acid | AKOS006276122 | 2-aminothiophene-3-carboxylicAcid | SC
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
A635974-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$41.90
250mg
A635974-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$123.90
1g
A635974-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$265.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

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.

Specifications

Synonyms
MFCD03426102 | 2-aminothiophene-3-carboxylic | DTXSID50363692 | FT-0649872 | SY258634 | TS-00048 | 3-Thiophenecarboxylic acid, 2-amino- | J-508085 | EN300-114599 | 2-Amino-3-thiophenecarboxylic acid | AKOS006276122 | 2-aminothiophene-3-carboxylicAcid | SC
Specifications & Purity
≥97%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesC1=CSC(=C1C(=O)O)N
IUPAC Name2-aminothiophene-3-carboxylic acid
InChIKeyOHMLBZKIUZTEOC-UHFFFAOYSA-N
INCHI1S/C5H5NO2S/c6-4-3(5(7)8)1-2-9-4/h1-2H,6H2,(H,7,8)
Isomeric SMILES C1=CSC(=C1C(=O)O)N
Alternate CAS 56387-08-7
PubChem CID 1512503
Molecular Weight 143.16

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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassThiophenes
SubclassThiophene carboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentThiophene carboxylic acids
Alternative Parents 2-aminothiophenes  Vinylogous amides  Heteroaromatic compounds  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Primary amines  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Thiophene carboxylic acid - 2-aminothiophene - Vinylogous amide - Heteroaromatic compound - Amino acid or derivatives - Amino acid - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Organic oxygen compound - Primary amine - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Amine - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as thiophene carboxylic acids. These are compounds containing a thiophene ring which bears 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.

3 results found

Lot NumberCertificate TypeDateItem
D2614182Certificate of AnalysisApr 02, 2026 A635974
D2614183Certificate of AnalysisApr 02, 2026 A635974
D2614184Certificate of AnalysisApr 02, 2026 A635974
Chemical and Physical Properties
Molecular Weight143.170 g/mol
XLogP31.300
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass143.004 Da
Monoisotopic Mass143.004 Da
Topological Polar Surface Area91.600 Ų
Heavy Atom Count9
Formal Charge0
Complexity128.000
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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