5-Methyl-1,2,3-thiadiazole-4-carbohydrazide CAS 4137-63-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4137-63-7 |
| Molecular Formula | C4H6N4OS |
| Molecular Weight | 158.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methyl-1,2,3-thiadiazole-4-carbohydrazide (CAS 4137-63-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H6N4OS. Molecular weight: 158.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H6N4OS |
| Molecular Weight | 158.18 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-Methyl-1,2,4-thiadiazole-5-carbohydrazide (CAS 1375066-73-1)
- Ethyl 1,3,4-Thiadiazole-2-carboxylate (CAS 1378819-08-9)
- 4-Ethyl-1,2,5-thiadiazole-3-carboxylic acid (CAS 1538685-60-7)
- 4-Ethyl-1,2,3-thiadiazole-5-carboxylic acid (CAS 183302-40-1)
- 4-Methyl-1,2,3-thiadiazole-5-carbohydrazide (CAS 75423-15-3)
- Ethyl 1,2,3-thiadiazole-4-carboxylate (CAS 3989-36-4)
- Ethyl 1,2,3-thiadiazole-5-carboxylate (CAS 4100-14-5)
- Ethyl 1,2,4-Thiadiazole-5-carboxylate (CAS 859536-28-0)
Recommended Standards
- 5-Methoxy-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 6939-11-3)
- 5-Thioxohexahydroimidazo[4,5-d]imidazol-2(1H)-one (CAS 75371-25-4)
- 5-Methoxy-2-thiophenecarboxylic Acid (CAS 29212-22-4)
- 2,2′-(1,3-Phenylene)bis[benzoxazole] (CAS 59049-84-2)
- (S)-2-Chloro-1-(3-((cyclopropylmethyl)amino)piperidin-1-yl)ethanone (CAS 1353993-14-2)
- 4-(Hydroxymethyl)-4-methyl-2-phenyloxazol-5(4H)-one (CAS 474651-48-4)
- Guamecycline dihydrochloride (CAS 13040-98-7)
- (2R,3S,4S,5R)-2,5-Bis(hydroxymethyl)-oxolane-2,3,4-triol (CAS 470-23-5)
- 2-(Benzyloxy)-4-fluoro-5-methylphenylboronic acid (CAS 2096331-49-4)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
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 13829788188 / jacky.chen@cato-chem.com