Palbociclib Impurity 141 CAS CATO-C4X-1125141
| CAS No. | CATO-C4X-1125141 |
| Molecular Formula | C29H35N7O5 |
| Molecular Weight | 561.63 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Palbociclib Impurity 141 (C29H35N7O5) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Palbociclib Impurity 141 (CAS CATO-C4X-1125141) is a certified pharmaceutical impurity reference standard with the molecular formula C29H35N7O5 and a molecular weight of 561.63 g/mol.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Palbociclib Impurity 141 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C29H35N7O5 |
| Molecular Weight | 561.63 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 7 |
Related Palbociclib Standards
- Palbociclib Impurity 100 (CAS CATO-C4X-1125100)
- Palbociclib Impurity 94 (CAS CATO-C4X-112594)
- Palbociclib Impurity 116 (CAS CATO-C4X-1125116)
- Palbociclib Impurity 188 (CAS CATO-C4X-1125188)
- Palbociclib Impurity 115 (CAS 2399424-46-3)
- Palbociclib Impurity 33 (CAS 1651214-74-2)
- Palbociclib Impurity 89 (CAS 1974279-21-4)
- Palbociclib Impurity 8 (CAS 2459303-19-4)
Recommended Standards
- (S)-7,14-Diethyl-7-hydroxy-8,11-dioxo-7,8,9,10,11,13-hexahydrobenzo-[6,7]indolizino[1,2-b]quinolin-2-yl 8-(hydroxyamino)-8-oxooctanoate 1706437-51-5 (CAS 1706437-51-5)
- Remdesivir Impurity 3 (CAS 1355357-49-1)
- H-Tyr-Pro-Pro-Trp-OH (CAS 122409-34-1)
- Remdesivir Impurity 40 (CAS 1369903-46-7)
- Clascoterone Impurity 3 (CAS CATO-C4X-33313)
- Raltitrexed Impurity 14 (CAS CATO-C4X-138614)
- Saxagliptin Impurity C628 (CAS 361442-01-5)
- Ethyl (3r,4r)-4-methylpyrrolidine-3-carboxylate (CAS 1217847-55-6)
- (R)-2-(Trifluoromethyl)pyrrolidine-1-sulfonamide (CAS 1389310-03-5)
- 4-(1-Hydroxy-2-methylpropan-2-yl)benzonitrile (CAS 18755-57-2)
- 3-(tert-Butoxycarbonyl-cyclohexyl-amino)-propionic acid ethyl ester (CAS 266690-54-4)
- Poliothyrsoside (CAS 18463-25-7)
- 4-Bromo-1-(2-chloroethyl)-1H-pyrazole (CAS 663941-72-8)
- Fibrinopeptide A, human TFA (CAS 61533-47-9)
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 18665070610 / Nicole.chen@cato-chem.com