3-Cyanothiophene TCI C1344

Chemical Identity

Other names: 3-Thiophenecarbonitrile
CAS No.: 1641-09-4
PubChem: CID 74231·SID 87566356
Formula: C5H3NS
Molecular weight: 109.15 g/mol
Purity: >98.0%(GC)
Reference databases: ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: thiophene-3-carbonitrile
SMILES: C1=CSC=C1C#N
InChIKey: GSXCEVHRIVLFJV-UHFFFAOYSA-N
MDL: MDL00151852

Rp 2.013.900,00

~~Rp 1.423.800,00~~ Rp 2.013.900,00

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Berat 5g 25g

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3-Cyanothiophene (CAS 1641-09-4) from TCI is a beta-substituted thiophene building block available at AMI Scientific. The nitrile group is highly versatile, providing straightforward access to carboxylic acids, amides, primary amines, tetrazoles, and amidines. Its thiophene core is a recurring motif in both medicinal chemistry programmes and organic electronic materials such as conjugated polymers. Two pack sizes let laboratories choose between exploratory work and larger preparative synthesis.

TCI brochures (PDF)

Thiophenes 2026-06-29 · p. 8

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Simbizi et al. (2020). Hyperfine structures of 2-cyanothiophene and 3-cyanothiophene: A quantum chemical study. Molecular Astrophysics doi:10.1016/j.molap.2020.100099
Simbizi et al. (2020). Theoretical investigation of protonated thiophene and two of its nitrile substituted derivatives (2-cyanothiophene and 3-cyanothiophene). Physical Chemistry Chemical Physics doi:10.1039/d0cp03154b
Li et al. (2026). High-Resolution Rotational Spectra and Molecular Structures of 2-Cyanothiophene and 3-Cyanothiophene. Journal of Molecular Structure doi:10.1016/j.molstruc.2025.144783

References were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.