Physostigmine Hemisulfate CAS 64-47-1
Purity >95%In StockPharmaceutical Standards
| CAS No. | 64-47-1 |
| Molecular Formula | 2*C15H21N3O2 H2O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Physostigmine Hemisulfate (CAS 64-47-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: 2*C15H21N3O2 H2O4S. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | 2*C15H21N3O2 H2O4S |
| Molecular Weight | 373.42 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Physostigmine Standards
Recommended Standards
- 5-Amino-1-ethyl-N-methyl-1H-pyrazole-4-carboxamide (CAS 1175774-02-3)
- 6-Chloro-2-(difluoromethyl)nicotinamide (CAS 1805201-42-6)
- Methyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-3-carboxylate (CAS 1245823-37-3)
- 2,2-Dimethyl-4-(4-(methylthio)phenyl)-4-oxobutanoic acid (CAS 898766-73-9)
- Methyl 2-bromo-4-methyl-5-nitrobenzoate (CAS 1202858-67-0)
- 1,2-Dimethyl-4-((methylsulfonyl)methyl)-5-nitro-1H-imidazole (CAS 1707394-01-1)
- 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