3-Amino-5-chloropyridine-2-thiol CAS 21427-63-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21427-63-4 |
| Molecular Formula | C5H5ClN2S |
| Molecular Weight | 160.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Amino-5-chloropyridine-2-thiol (CAS 21427-63-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5ClN2S. Molecular weight: 160.62 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2S |
| Molecular Weight | 160.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 2-Amino-5-chloropyridine-3-thiol (CAS 110402-26-1)
- 2-Amino-5-chloropyridine-4-thiol (CAS 2055759-46-9)
- 3-Amino-6-chloropyridine-2(1H)-thione (CAS 27467-92-1)
- 6-Amino-2-chloropyridine-3-thiol (CAS 2374137-52-5)
- 4-amino-6-chloropyrimidine-5-carbonitrile (CAS 60025-09-4)
- 5-amino-3-chloropyrazine-2-carbonitrile (CAS 34617-65-7)
- (4-amino-6-chloro-1,3,5-triazin-2-yl)methanol (CAS 1139245-31-0)
- 5-Amino-3-methylisoxazole-4-carbonyl chloride (CAS 219938-18-8)
Recommended Standards
- 3-Acetyl-5-chlorothiophene (CAS 58119-67-8)
- 2-Chloro-4-(methylthio)pyrimidine (CAS 49844-93-1)
- 3-Methylthiophene-2-carbonyl chloride (CAS 61341-26-2)
- 3-{[(9H-fluoren-9-ylmethoxy)carbonyl](2-methylpropyl)amino}propanoic acid (CAS 1393817-23-6)
- Methyl 2-{1-[(2,4-dichlorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-amido}benzoate (CAS 338977-61-0)
- Loxoprofen impurity 127 (CAS CATO-C4X-1488127)
- Prilocaine Impurity 62 (CAS CATO-C4X-193462)
- tert-Butyl 3-(aminomethyl)-1,4-diazepane-1-carboxylate (CAS 1956341-03-9)
- 4-Amino-2-cyano-1H-imidazole-5-carboxamide (CAS 89994-82-1)
- Human IgE Pentapeptide HEPP (CAS 62087-72-3)
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