5-Chlorothiophene-2-sulfonohydrazide CAS 78380-28-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78380-28-6 |
| Molecular Formula | C4H5ClN2O2S2 |
| Molecular Weight | 212.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chlorothiophene-2-sulfonohydrazide (CAS 78380-28-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H5ClN2O2S2. Molecular weight: 212.68 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H5ClN2O2S2 |
| Molecular Weight | 212.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Chlorothiophene Standards
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Recommended Standards
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- Cyclopentyl(3,5-difluorophenyl)methanol (CAS 1226179-08-3)
- 2,4-Dichloropyrido[2,3-d]pyridazin-5(6H)-one (CAS 1390657-40-5)
- 7-Methylimidazo[1,2-a]pyridine-2-carbaldehyde (CAS 202348-54-7)
- Lidocaine Impurity 86 (CAS CATO-C4X-167986)
- 2-Chloro-N-(2-chloro-4-methylphenyl)acetamide (CAS 379255-38-6)
- 5-(Chloromethyl)-4-(difluoromethyl)-3-methoxypyridin-2-amine (CAS 1806790-23-7)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
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