Daunorubicin Impurity 16 CAS CATO-C4X-193716
| CAS No. | CATO-C4X-193716 |
| Molecular Formula | C25H25NO9 |
| Molecular Weight | 483.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Daunorubicin Impurity 16 (CAS CATO-C4X-193716), a pharmacopoeial impurity reference standard (molecular formula C25H25NO9, MW 483.47 g/mol) used for the identification and quantification of trace impurities in APIs.
Daunorubicin Impurity 16 (C25H25NO9) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. 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.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C25H25NO9 |
| Molecular Weight | 483.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Daunorubicin Standards
- Daunorubicin Impurity N3 (CAS 29742-69-6)
- Daunorubicin Impurity 10 (CAS 76034-18-9)
- 3-epi-Daunorubicin (CAS 66322-65-4)
- epi-Daunorubicin (CAS 57918-24-8)
- Daunorubicin EP Impurity B ((S)-Isomer) (CAS 28008-55-1)
- Daunorubicin impurity 13 (Mixture of Epimer) (CAS CATO-C4X-193713)
- Daunorubicin Impurity 15 (CAS 952648-77-0)
- Daunorubicin EP Impurity B (Mixture of Diastereomers) (CAS CATO-C4X-19372)
Recommended Standards
- Famciclovir Impurity 31 (CAS CATO-C4X-164231)
- Doxorubicin Impurity 11 (CAS CATO-C4X-203311)
- Famciclovir Impurity 30 (CAS CATO-C4X-164230)
- 4,4',4''-(1,3,5-Triazine-2,4,6-triyl)tri(benzohydrazide) (CAS 1332896-70-4)
- Axitinib Impurity 57 (CAS CATO-C4X-107157)
- Dronedarone Impurity 78 (CAS CATO-C4X-109278)
- Posaconazole impurity 242 (CAS CATO-C4X-1208242)
- Amlodipine Impurity N17 (CAS 21759-69-3)
- Methyl 3-methyl-4-[4-(trifluoromethoxy)phenyl]benzoate (CAS 1820735-90-7)
- Triisocyanato(methyl)silane (CAS 5587-61-1)
- Methyl 2-amino-3-(1H-benzo[d]imidazol-1-yl)-2-methylpropanoate dihydrochloride (CAS 2137703-17-2)
- 1- Methyl -3-nitropyridin-2(1H)-one (CAS 32896-91-6)
- (R)-Methyl 2-amino-3-((tert-butoxycarbonyl)amino)propanoate hydrochloride (CAS 919792-96-4)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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