Parecoxib Impurity 35 CAS 1373038-63-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1373038-63-1 |
| Molecular Formula | C16H11Cl2NO5S2 |
| Molecular Weight | 432.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Parecoxib Impurity 35 (CAS 1373038-63-1), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H11Cl2NO5S2. Molecular weight: 432.30 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H11Cl2NO5S2 |
| Molecular Weight | 432.30 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Parecoxib Standards
- Parecoxib Impurity 60 (CAS CATO-C4X-159160)
- Parecoxib Impurity 74 (CAS CATO-C4X-159174)
- Parecoxib Impurity 37 (CAS CATO-C4X-159137)
- Parecoxib Impurity 77 (CAS CATO-C4X-159177)
- Parecoxib Impurity 26 (CAS CATO-C4X-159126)
- Parecoxib Impurity 42 (CAS CATO-C4X-159142)
- Parecoxib Impurity 43 (CAS 1373038-59-5)
- Parecoxib Impurity 53 (CAS CATO-C4X-159153)
Recommended Standards
- 7-Chloro-11-(4-chloro-3-nitrophenyl)-3,3-dimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 946386-89-6)
- Clofazimine Impurity 3 (CAS 90712-89-3)
- 5-[(E)-2-({[1,1'-biphenyl]-2-yl}amino)ethenyl]-3-(2,6-dichlorophenyl)-1,2-oxazole-4-carbonitrile (CAS 338402-70-3)
- Pioglitazone impurity 45 (CAS CATO-C4X-138345)
- Doripenem Impurity 11 (CAS CATO-C4X-162111)
- 3-(4-Carboxyphenoxy)phthalic acid (CAS 198330-12-0)
- 2-chloro-4-ethynyl-pyrimidine (CAS 37968-69-7)
- 5-Methylbenzo[c][1,2,5]oxadiazole-4-carbonitrile (CAS 54286-59-8)
- 4,6-Dichloro-2-fluoro-3-methoxybenzaldehyde (CAS 2149599-01-7)
- D-Ser12-Semaglutide (CAS CATO-C4X-2226240)
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