Darunavir impurity 31 CAS 1291087-81-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1291087-81-4 |
| Molecular Formula | C34H45N3O11S |
| Molecular Weight | 703.80 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Darunavir impurity 31 (CAS 1291087-81-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C34H45N3O11S. Molecular weight: 703.80 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C34H45N3O11S |
| Molecular Weight | 703.80 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Darunavir Standards
- Darunavir Impurity 24 (CAS 1971057-59-6)
- Darunavir-N-glucuronide, 96% (CAS 1159613-25-8)
- Darunavir O-β-D-glucuronide, 96% (CAS 1159613-27-0)
- Darunavir Impurity 20 (CAS 2307745-62-4)
- Darunavir impurity 30 (CAS CATO-C4X-160630)
- Darunavir Impurity 36 (CAS CATO-C4X-160636)
- Darunavir-d9 (CAS 1133378-37-6)
- D-Darunavir (CAS 1399859-60-9)
Recommended Standards
- Methyl (E)-5-(2-(4-((4-chlorophenyl)thio)-3-(2,6-dichlorophenyl)isoxazolo[4,5-c]pyridin-7-yl)vinyl)-3-(2,6-dichlorophenyl)isoxazole-4-carboxylate (CAS 338773-22-1)
- Suc-Ala-Leu-Pro-Phe-AMC (CAS 142997-31-7)
- Brecanavir, >98% (HPLC) (CAS 313682-08-5)
- Gliclazide Impurity 14 (CAS 98431-87-9)
- Avatrombopag Impurity 72 (CAS CATO-C4X-223472)
- 3-(Thiophen-3-yl)isoxazole (CAS 103092-70-2)
- GSK 525762A (CAS 1260907-17-2)
- 5-Fluorobenzo[d][1,2,3]triazin-4(3H)-one (CAS 898554-22-8)
- 1292766-21-2 C26H28O7 Pierreione B W2824 (CAS 1292766-21-2)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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