4-Aminothiophene-2-carbonitrile CAS 73781-74-5
| CAS No. | 73781-74-5 |
| Molecular Formula | C5H4N2S |
| Molecular Weight | 124.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Aminothiophene-2-carbonitrile (CAS 73781-74-5), molecular formula C5H4N2S and molecular weight 124.16 g/mol, is a CATO reference standard with documented purity and traceability.
4-Aminothiophene-2-carbonitrile (C5H4N2S) contains a nitrile group, sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Aminothiophene-2-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.
Physical & Chemical Properties
| Molecular Formula | C5H4N2S |
| Molecular Weight | 124.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Aminothiophene Standards
- 5-Aminothiophene-3-carbonitrile (CAS 159824-95-0)
- 2-Aminothiophene-3-carbonitrile (CAS 4651-82-5)
- 4-Aminothiophene-3-carbonitrile (CAS 391681-11-1)
- 4-Aminothiophene-3-carbaldehyde (CAS 1261658-19-8)
- 2-Aminothiophene-3-carbaldehyde (CAS 40341-23-9)
- 3-Aminothiophene-2-carbaldehyde (CAS 56489-01-1)
- 4-Aminothiophene-2-carbaldehyde (CAS 57500-52-4)
- 5-Aminothiophene-2-carbaldehyde (CAS 57500-50-2)
Recommended Standards
- 3-Methylisothiazole-5-carbonitrile (CAS 57352-00-8)
- 3-Methylisothiazole-4-carbonitrile (CAS 58850-81-0)
- 4-Fluoro-o-xylene (CAS 452-64-2)
- 3-Fluoro-o-xylene (CAS 443-82-3)
- 1-(4-fluorobenzyl)-1H-pyrazol-4-amine,2HCl (CAS 1820706-26-0)
- 1,3-Bis(2-ethylhexyl)-5,7-di(thiophen-2-yl)benzo[1,2-c:4,5-c']dithiophene-4,8-dione (CAS 1415929-77-9)
- 3-Bromo-4-cyclopropoxypicolinaldehyde (CAS 1243411-56-4)
- 2-Chloro-N-(4-(dimethylamino)cyclohexyl)-N-isopropylacetamide (CAS 1353952-43-8)
- Chloromethyl Laurate (CAS 61413-67-0)
- Methyl 2-chloro-4-[3-(trifluoromethoxy)phenyl]benzoate (CAS 1820704-79-7)
- 1-Bromo-4-chloro-5-fluoro-2-iodobenzene (CAS 1263377-64-5)
- 4-Chlorobenzo[d]thiazol-5-amine (CAS 70202-01-6)
- 1-Propyl-1H-pyrazole-4-carbaldehyde (CAS 473249-36-4)
- Tirzepatide Impurity 9 (CAS CATO-C4X-32409)
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