Sandospace R CAS 4156-21-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4156-21-2 |
| Molecular Formula | C9H5Cl2N4O3S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Sandospace R (CAS 4156-21-2) pharmaceutical standards reference standard. Molecular formula: C9H5Cl2N4O3S Na. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H5Cl2N4O3S Na |
| Molecular Weight | 343.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Recommended Standards
- 1,3-Bis(1-benzyl-5-oxopyrrolidin-3-yl)urea (CAS 1370593-69-3)
- 4-Benzoyl-1-benzylpyrrolidine-2,3-dione (CAS 7399-20-4)
- 2-Bromo-N-(3-ethylphenyl)propanamide (CAS 1242908-97-9)
- tert-Butyl 3-hydroxymorpholine-4-carboxylate (CAS 1097871-14-1)
- 4-(Bromomethyl)-7,8-difluoroquinolin-2(1H)-one (CAS 953070-72-9)
- (R)-2,2,2-trifluoro-1-(4-fluoro-naphthalen-1-yl)-ethylamine (CAS 1212879-00-9)
- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
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