Tolvaptan Impurity 18 CAS 2486-75-1
| CAS No. | 2486-75-1 |
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.16 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H9NO2, Tolvaptan Impurity 18 contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 151.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Tolvaptan Impurity 18 (CAS 2486-75-1) is a certified pharmaceutical impurity reference standard with the molecular formula C8H9NO2 and a molecular weight of 151.16 g/mol.
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.
CATO manufactures Tolvaptan Impurity 18 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 | C8H9NO2 |
| Molecular Weight | 151.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Tolvaptan Standards
- Tolvaptan Impurity 19 (CAS 933-88-0)
- Tolvaptan Impurity 39 (CAS 1711-06-4)
- Tolvaptan Impurity 21 (CAS 118-90-1)
- Tolvaptan Impurity 73 (CAS 1316312-24-9)
- Tolvaptan Impurity 17 (CAS 1975-51-5)
- Tolvaptan Impurity 49 (CAS 116815-03-3)
- Tolvaptan Impurity N1 (CAS 247237-56-5)
- Tolvaptan Impurity 16 (CAS 160129-45-3)
Recommended Standards
- Dopamine Impurity 1 (CAS 50673-96-6)
- Nicotine Impurity 8 (CAS 29681-45-6)
- Nicorandil Impurity 43 (CAS 1570-45-2)
- Neostigmine Impurity 21 (CAS 3958-86-9)
- Neostigmine impurity 45 (CAS CATO-C4X-204245)
- Pranoprofen Impurity 50 ·xHCl (CAS CATO-C4X-181150)
- Riociguat Impurity N2 （E-isomer） (CAS 370879-49-5)
- Nitrendipine Impurity 10 (CAS 15802-69-4)
- N1-(2-Chlorophenyl)benzene-1,2-diamine (CAS 74864-94-1)
- Marmesinin (CAS 495-30-7)
- (R)-4-Benzyl-2-(1,8-naphthyridin-2-yl)-4,5-dihydrooxazole (CAS 2757082-73-6)
- 4-Chloro-3-methylbenzenethiol (CAS 17178-00-6)
- 6-bromo-3-ethyl-2,4(1H,3H)-quinazolinedione (CAS 377067-64-6)
- Galanin (1-13)-Neuropeptide Y (25-36) amide (CAS 147138-51-0)
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