Naltrexone impurity 65 CAS 3075674-22-2
| CAS No. | 3075674-22-2 |
| Molecular Formula | C19H21NO6 |
| Molecular Weight | 359.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Naltrexone impurity 65 (CAS 3075674-22-2) is a certified pharmaceutical impurity reference standard with the molecular formula C19H21NO6 and a molecular weight of 359.37 g/mol.
Structurally, Naltrexone impurity 65 (C19H21NO6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 359.37 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Naltrexone impurity 65 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 | C19H21NO6 |
| Molecular Weight | 359.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Nitrogen Atoms | 1 |
Related Naltrexone Standards
- Naltrexone Impurity 29 (CAS CATO-C4X-147529)
- Naltrexone impurity 38 (CAS CATO-C4X-147538)
- Naltrexone impurity 56 (CAS CATO-C4X-147556)
- Naltrexone Impurity 19 (CAS 112269-62-2)
- Naltrexone EP Impurity F (CAS 2397651-97-5)
- Naltrexone Impurity 61 (CAS CATO-C4X-147561)
- Naltrexone EP Impurity G (CAS CATO-C4X-14757)
- Naltrexone EP Impurity J (CAS 16617-07-5)
Recommended Standards
- Naloxone Impurity 10 (CAS CATO-C4X-149310)
- Vonoprazan Fumarate Impurity 59 (CAS 1883595-39-8)
- Naloxone Impurity 11 (CAS CATO-C4X-149311)
- Vonoprazan Fumarate Impurity 58 (CAS 2054536-04-6)
- Fluocortolone Impurity 6 (CAS 36130-02-6)
- Atogepant Impurity 21 (CAS 1375542-65-6)
- Tofacitinib Impurity 163 (CAS CATO-C4X-1079163)
- 2-(Benzo[d]thiazol-2-yl(methyl)amino)-1-(4-(pyridin-2-yl)piperazin-1-yl)ethan-1-one (CAS 1351602-40-8)
- Erlotinib Impurity 95 (CAS 183320-04-9)
- 3-Iodo-4,6-dinitro-1H-indazole (CAS 885519-43-7)
- 5-Bromo-7-methyl-2,3-dihydro-1H-inden-1-one (CAS 1273609-67-8)
- (4AR,6S,7R,8S,8aR)-7,8-bis(benzyloxy)-2-phenyl-6-(p-tolylthio)hexahydropyrano[3,2-d][1,3]dioxine (CAS 850416-39-6)
- Benzyl 4-amino-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 1936603-13-2)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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