Calcium Dobesilate Impurity 19 CAS 17724-07-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 17724-07-1 |
| Molecular Formula | C6H6O5S |
| Molecular Weight | 190.17 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Calcium Dobesilate Impurity 19 (CAS 17724-07-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H6O5S. Molecular weight: 190.17 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H6O5S |
| Molecular Weight | 190.17 g/mol |
| Purity | >95% |
| 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.) | 1962 |
| Sulfur Atoms | 1 |
Related Calcium Standards
- Calcium Dobesilate Impurity N2 (CAS 35857-70-6)
- Calcium Dobesilate Impurity N5 (CAS 7134-09-0)
- Calcium Dobesilate Impurity N1 (CAS 6409-58-1)
- 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
- Hydroquinonesulfonic Acid (Dobesilic Acid) (CAS 88-46-0)
- 4-Amino-3-Hydroxypyridine Sulfate (CAS 100130-15-2)
- 1-(3-Fluoro-phenyl)-1H-pyrazole-4-carbaldehyde 1-(3-fluorophenyl)-1H-pyrazole-4-carbaldehyde 936940-82-8 A11033 (CAS 936940-82-8)
- Glyceryl Trinitrate Impurity 7 (CAS 861542-51-0)
- Cefaclor Impurity 70 (CAS CATO-C4X-127070)
- methyl 4-fluoropiperidine-4-carboxylate (CAS 862401-47-6)
- Trans-2-((4,5-diphenyloxazol-2-yl)methyl)cyclohexanamine (CAS 89004-16-0)
- 1-((2,4-Dichloro-5-methylphenyl)sulfonyl)-4-methoxypiperidine (CAS 1234973-10-4)
- 2-Chloro-n-hydroxybenzene-1-carbonimidoyl chloride (CAS 29568-74-9)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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