Calcium Dobesilate Impurity N2 CAS 35857-70-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 35857-70-6 |
| Molecular Formula | C6H6O5S |
| Molecular Weight | 190.17 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Calcium Dobesilate Impurity N2 (CAS 35857-70-6) pharmacopoeial impurity standards reference standard. Molecular formula: C6H6O5S. Molecular weight: 190.17 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H6O5S |
| Molecular Weight | 190.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Sulfur Atoms | 1 |
Related Calcium Standards
- Calcium Dobesilate Impurity N5 (CAS 7134-09-0)
- Calcium Dobesilate Impurity N1 (CAS 6409-58-1)
- Calcium Dobesilate Impurity 19 (CAS 17724-07-1)
- Calcium Dobesilate Impurity 3 (CAS CATO-C4X-20513)
- Calcium Dobesilate Impurity 2 (CAS CATO-C4X-20512)
- Calcium Dobesilate Impurity 23 (CAS CATO-C4X-205123)
- Calcium Dobesilate Impurity 4 (CAS 2429952-20-3)
- Calcium Dobesilate Impurity 26 (CAS CATO-C4X-205126)
Recommended Standards
- Bis(2-Fluoroethyl) Sulfate (CAS 381-46-4)
- 8-Fluoroquinoline-3-carboxamide (CAS 71083-38-0)
- 8-Fluoro-2,4-dihydrochromeno[4,3-c]pyrazole (CAS 874767-38-1)
- Ertugliflozin impurity 38 (CAS CATO-C4X-301138)
- (1R,3r,5S)-Ipratropium Impurity 40 (CAS 99888-00-3)
- N-((2R,3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-(undecyloxy)tetrahydro-2H-pyran-3-yl)acetamide (CAS 152914-68-6)
- N-Cyclopentyl-4-methoxybenzamide (CAS 346720-43-2)
- 18-Oxooctadecanoic acid (CAS 176108-52-4)
- 2-Ethoxy-4-formylphenyl cyclopropanecarboxylate (CAS 312525-45-4)
- Des-Ile27-Tirzepatide (CAS CATO-CPTD788946)
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