Nintedanib Impurity 20 CAS 2734676-68-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 2734676-68-5 |
| Molecular Formula | C31H33N5O6 |
| Molecular Weight | 571.62 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Nintedanib Impurity 20 (CAS 2734676-68-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C31H33N5O6. Molecular weight: 571.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C31H33N5O6 |
| Molecular Weight | 571.62 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 5 |
Related Nintedanib Standards
- Nintedanib Impurity 76 (CAS CATO-C4X-181476)
- Nintedanib impurity 78 (CAS CATO-C4X-181478)
- Nintedanib Impurity 74 (CAS CATO-C4X-181474)
- Nintedanib Impurity 17 (CAS CATO-C4X-181417)
- Nintedanib Impurity 18 (CAS CATO-C4X-181418)
- Nintedanib Impurity 69 (CAS 2380229-45-6)
- Nintedanib Impurity 30 (CAS CATO-C4X-181430)
- Nintedanib impurity 86 (CAS CATO-C4X-181486)
Recommended Standards
- 1,3-Dioxo-7-(4-phenoxybenzyl)hexahydroimidazo[1,5-a]pyrazin-2(3H)-yl 4-(4-methoxyphenyl)piperazine-1-carboxylate (CAS 1831135-56-8)
- Mezlocillin Impurity 3 (CAS CATO-C4X-18313)
- 6-(2-Deoxy-5-O-DMT-b-D-ribofuranosyl)-3,4-dihydro-8H-pyrimido-[4,5-c][1,2]oxazin-7-one (CAS 126128-43-6)
- Salicylic Acid Impurity 19 (CAS CATO-C4X-190219)
- Tamsulosin Impurity 16 (CAS 21003-56-5)
- (1R)-1-(Furan-3-yl)ethanol (CAS 1344950-02-2)
- N'-(2,5-bis(2,2,2-trifluoroethoxy)benzoyl)-4-chlorobenzenesulfonohydrazide (CAS 477864-00-9)
- 2-Amino-8-methyl-3-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one (CAS 903205-78-7)
- Donepezil Impurity 31 (CAS 2097683-67-3)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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