2-Ethyl-5-ethynylthiophene - ≥95% , CAS No.1057670-00-4

CAS: 1057670-00-4 Cat. No.: E980025 Summenformel: C8H8S Molekulargewicht: 136.22 PubChem CID: 53434227
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GRADE & PURITY ≥95%
Storage
Room temperature
★
Size
Deutschland (EU)
USA*
Price
Qty
100mg
E980025-100mg
Auf Bestellung · 8–12 Wochen
79,75€
250mg
E980025-250mg
Auf Bestellung · 8–12 Wochen
134,41€
1g
E980025-1g
Auf Bestellung · 8–12 Wochen
360,89€
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships 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

Spezifikationen & Reinheit
≥95%
Storage
Room temperature
Reinheit
≥95%
Namen und Kennungen
Kanonisches LächelnCCC1=CC=C(S1)C#C
IUPAC Name2-ethyl-5-ethynylthiophene
InChIKeyYGSZGTTVMFZIEZ-UHFFFAOYSA-N
INCHI1S/C8H8S/c1-3-7-5-6-8(4-2)9-7/h1,5-6H,4H2,2H3
Isomere SMILES CCC1=CC=C(S1)C#C
PubChem CID 53434227
Molekulargewicht 136.22

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
KlasseThiophenes
Subclass2,5-disubstituted thiophenes
Intermediate Tree Nodes Not available
Direct Parent2,5-disubstituted thiophenes
Alternative Parents Heteroaromatic compounds  Acetylides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents 2,5-disubstituted thiophene - Heteroaromatic compound - Acetylide - Hydrocarbon derivative - Aromatic heteromonocyclic compound
BeschreibungThis compound belongs to the class of organic compounds known as 2,5-disubstituted thiophenes. These are organic compounds containing a thiophene that is disubstituted at the C-2, and C5-positions.
External Descriptors Not available
3D-Struktur
Interaktives chemisches Strukturmodell





Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemische und physikalische Eigenschaften
Molekulargewicht136.220 g/mol
XLogP32.700
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count2
Exact Mass136.035 Da
Monoisotopic Mass136.035 Da
Topological Polar Surface Area28.200 Ų
Heavy Atom Count9
Formal Charge0
Complexity131.000
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
Lösungsrechner
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