4-Methylthiophene-3-carbonitrile CAS 73229-39-7
| CAS No. | 73229-39-7 |
| Molecular Formula | C6H5NS |
| Molecular Weight | 123.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Methylthiophene-3-carbonitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
4-Methylthiophene-3-carbonitrile (CAS 73229-39-7) is a high-purity analytical reference standard with the molecular formula C6H5NS and a molecular weight of 123.18 g/mol.
Structurally, 4-Methylthiophene-3-carbonitrile (C6H5NS) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 123.18 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.) | 1977 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylthiophene Standards
- 2-Methylthiophene-3-carbonitrile (CAS 53562-50-8)
- 3-Methylthiophene-2-carbonitrile (CAS 55406-13-8)
- 4-Methylthiophene-2-carbonitrile (CAS 73305-93-8)
- 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)
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com