3-Methylthiophene-2-carbonitrile CAS 55406-13-8
| CAS No. | 55406-13-8 |
| Molecular Formula | C6H5NS |
| Molecular Weight | 123.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Methylthiophene-2-carbonitrile is closely related to a nitrile group, sulfur-containing functionality, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Methylthiophene-2-carbonitrile (CAS 55406-13-8) is a high-purity analytical reference standard with the molecular formula C6H5NS and a molecular weight of 123.18 g/mol.
Based on its molecular formula C6H5NS, 3-Methylthiophene-2-carbonitrile contains a nitrile group, sulfur-containing functionality, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 123.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Methylthiophene-2-carbonitrile meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H5NS |
| Molecular Weight | 123.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylthiophene Standards
- 2-Methylthiophene-3-carbonitrile (CAS 53562-50-8)
- 4-Methylthiophene-2-carbonitrile (CAS 73305-93-8)
- 4-Methylthiophene-3-carbonitrile (CAS 73229-39-7)
- 5-Methylthiophene-2-carbonitrile (CAS 72835-25-7)
- 5-Methylthiophene-3-carbonitrile (CAS 41727-33-7)
- 3-Methylthiophene-2-carboxaldehyde (CAS 5834-16-2)
- 4-ethyl-2-methylthiophene (CAS 13678-54-1)
- 2-Ethyl-5-methylthiophene (CAS 40323-88-4)
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