Palbociclib Impurity 121 CAS 1974279-40-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1974279-40-7 |
| Molecular Formula | C26H33N7O2 |
| Molecular Weight | 475.59 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Palbociclib Impurity 121 (CAS 1974279-40-7) pharmacopoeial impurity standards reference standard. Molecular formula: C26H33N7O2. Molecular weight: 475.59 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C26H33N7O2 |
| Molecular Weight | 475.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 1996 |
| Nitrogen Atoms | 7 |
Related Palbociclib Standards
- Palbociclib Impurity 135 (CAS CATO-C4X-1125135)
- Palbociclib Impurity 57 (CAS 2174002-16-3)
- Palbociclib Impurity 108 (CAS CATO-C4X-1125108)
- Palbociclib Impurity 125 (CAS CATO-C4X-1125125)
- Palbociclib impurity 128 (CAS CATO-C4X-1125128)
- Palbociclib impurity 130 (CAS CATO-C4X-1125130)
- Palbociclib Impurity 146 (CAS 2955712-44-2)
- Palbociclib Impurity 154 (CAS CATO-C4X-1125154)
Recommended Standards
- 2-((4-Ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-(6-methylbenzo[d]thiazol-2-yl)phenyl)acetamide (CAS 575458-89-8)
- LY-2922470, >98% (HPLC) (CAS 1423018-12-5)
- 2-((4-(2-Methoxyphenyl)-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)-1-(3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one (CAS 870756-81-3)
- Cilastatin Impurity 26 (CAS CATO-C4X-196026)
- Nicardipine Impurity 40 (CAS CATO-C4X-171040)
- N-(1-(2-Chlorobenzyl)pyrrolidin-3-yl)isoquinolin-5-amine (CAS 675132-98-6)
- Methyltetrazine-acid (CAS 1380500-88-8)
- Neokestose (CAS 3688-75-3)
- 4-(Amino(phenyl)methyl)-N-(6-methoxybenzo[d]thiazol-2-yl)benzamide (CAS 1673556-40-5)
- Fibrinogen-Binding Inhibitor Peptide (CAS 89105-94-2)
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