Ethyl thieno[2,3-b]pyrazine-6-carboxylate , CAS No.59944-77-3

CAS: 59944-77-3 Cat. No.: E1027582 Molecular Weight: 208.24 PubChem CID: 12299125
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Storage
Room temperature
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1g
E1027582-1g
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Why this grade

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.

Specifications

Storage
Room temperature
Names and Identifiers
Canonical SmilesCCOC(=O)C1=CC2=NC=CN=C2S1
IUPAC Nameethyl thieno[2,3-b]pyrazine-6-carboxylate
InChIKeyBPEISRFZSPQOLU-UHFFFAOYSA-N
INCHI1S/C9H8N2O2S/c1-2-13-9(12)7-5-6-8(14-7)11-4-3-10-6/h3-5H,2H2,1H3
Isomeric SMILES CCOC(=O)C1=CC2=NC=CN=C2S1
PubChem CID 12299125
Molecular Weight 208.24

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
SubclassThiophene carboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentThiophene carboxylic acids and derivatives
Alternative Parents 2,3,5-trisubstituted thiophenes  Pyrazines  Heteroaromatic compounds  Carboxylic acid esters  Azacyclic compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 2,3,5-trisubstituted thiophene - Thiophene carboxylic acid or derivatives - Pyrazine - Heteroaromatic compound - Carboxylic acid ester - Azacycle - Carboxylic acid derivative - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as thiophene carboxylic acids and derivatives. These are compounds containing a thiophene ring which bears a carboxylic acid group (or a salt/ester thereof).
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:
Chemical and Physical Properties
Molecular Weight208.240 g/mol
XLogP31.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count3
Exact Mass208.031 Da
Monoisotopic Mass208.031 Da
Topological Polar Surface Area80.300 Ų
Heavy Atom Count14
Formal Charge0
Complexity225.000
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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