Letermovir Impurity 87 CAS CATO-C4X-291587
| CAS No. | CATO-C4X-291587 |
| Molecular Formula | C30H30F4N4O4 |
| Molecular Weight | 586.58 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C30H30F4N4O4, Letermovir Impurity 87 contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 586.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Letermovir Impurity 87 (CAS CATO-C4X-291587) is a certified pharmaceutical impurity reference standard with the molecular formula C30H30F4N4O4 and a molecular weight of 586.58 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 Letermovir Impurity 87 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 | C30H30F4N4O4 |
| Molecular Weight | 586.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Letermovir Standards
- Letermovir Impurity N19 (CAS 791117-40-3)
- Letermovir Impurity 1 (CAS 917389-29-8)
- Letermovir Impurity 100 (CAS CATO-C4X-2915100)
- Letermovir impurity 136 (CAS CATO-C4X-2915136)
- Letermovir Impurity 59 (CAS CATO-C4X-291559)
- Letermovir Impurity 96 (CAS CATO-C4X-291596)
- Letermovir impurity 57 (CAS CATO-C4X-291557)
- Letermovir impurity 128 (CAS CATO-C4X-2915128)
Recommended Standards
- 4,4'-((8,16-dioxo-8,16-dihydrodibenzo[a,j]perylene-2,10-diyl)bis(oxy))dibutyric acid (CAS 243670-14-6)
- 4',5'-Bis(4-carboxyphenyl)-3',6'-dimethyl-[1,1':2',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 2161327-52-0)
- Vilanterol Impurity 75 (CAS CATO-C4X-193575)
- Osimertinib impurity 58 (CAS CATO-C4X-204558)
- Kukoamine Impurity 5 (CAS CATO-C4X-22965)
- Ozagrel Impurity 9 (CAS CATO-C4X-19719)
- Rosuvastatin Impurity 235 (CAS CATO-C4X-1169235)
- β-Methoxy-N-methyl-1,3-benzodioxole-5-ethanamine (CAS 1269530-81-5)
- 1-(2-Fluorophenyl)-5-methyl-1,3-dihydro-2H-imidazol-2-one (CAS 13870-44-5)
- tert-Butyl n-[(1S)-1-(hydrazinecarbonyl)ethyl]carbamate (CAS 41863-52-9)
- 1-(2-(4-Hydroxyphenyl)benzofuran-3-yl)propan-1-one (CAS 10402-58-1)
- 5-bromo-3-propyl-1,2,4-thiadiazole (CAS 1478042-51-1)
- (<I>S</I>)-(-)-3-aminopyrrolidine (CAS 128345-57-3)
- D-Asp15-Tirzepatide (CAS CATO-CPTD788919)
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