Letermovir Impurity 54 CAS 2991059-70-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2991059-70-0 |
| Molecular Formula | C22H22F4N4O3 |
| Molecular Weight | 466.43 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Letermovir Impurity 54 (CAS 2991059-70-0) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C22H22F4N4O3. Molecular weight: 466.43 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C22H22F4N4O3 |
| Molecular Weight | 466.43 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Letermovir Standards
- Letermovir Impurity 20 (CAS CATO-C4X-291520)
- Letermovir Impurity 1(Racemate) (CAS CATO-CP155162)
- Letermovir Impurity 53 (CAS CATO-C4X-291553)
- Letermovir Impurity 34 (CAS CATO-C4X-291534)
- Letermovir Impurity 127 (CAS CATO-C4X-2915127)
- Letermovir Impurity 22 (CAS CATO-C4X-291522)
- Letermovir Impurity 72 (CAS CATO-C4X-291572)
- Letermovir impurity 129 (CAS 917389-18-5)
Recommended Standards
- Riociguat Impurity 25 (CAS CATO-C4X-174925)
- 1016987-87-3 b-D-Glucopyranoside,(1S,4aR,5S,7aS)-1,4a,5,7a-tetrahydro-5-[(4-hydroxybenzoyl)oxy]-7-(hydroxymethyl)cyclopenta[c]pyran-1-yl (CAS 1016987-87-3)
- Salicyl-AMS (CAS 863238-55-5)
- Posaconazole lmpurity 178 (CAS CATO-C4X-1208178)
- Celecoxib Impurity 26 (Mixture of Z and E Isomers) (CAS CATO-C4X-104326)
- 2-(Aminomethyl)-1-(tetrahydrofuran-3-yl)pentan-1-ol (CAS 1559696-59-1)
- 5-Bromo-3-methyl-1H-thieno[3,2-c]pyrazole (CAS 1378867-74-3)
- tert-Butyl 3-bromo-2-propionyl-1H-indole-1-carboxylate (CAS 1707391-49-8)
- (4-Methylpiperazin-1-yl)(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanone (CAS 832114-06-4)
- Peptide YY (human) trifluoroacetate salt (CAS 118997-30-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com