Tenofovir alafenamide impurity 81 CAS CATO-C4X-179781
| CAS No. | CATO-C4X-179781 |
| Molecular Formula | C24H30N10O7P2 |
| Molecular Weight | 632.51 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 632.51 g/mol gives Tenofovir alafenamide impurity 81 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Tenofovir alafenamide impurity 81 (CAS CATO-C4X-179781) is a certified pharmaceutical impurity reference standard with the molecular formula C24H30N10O7P2 and a molecular weight of 632.51 g/mol.
Structurally, Tenofovir alafenamide impurity 81 (C24H30N10O7P2) contains a flavonoid core, an amide group, a phosphate ester group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 632.51 g/mol, it falls into the high-molecular-weight range. 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.
CATO manufactures Tenofovir alafenamide impurity 81 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 | C24H30N10O7P2 |
| Molecular Weight | 632.51 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 10 |
Related Tenofovir Standards
- Tenofovir Impurity 125 (CAS 1796931-18-4)
- Tenofovir disoproxil Impurity 13 (CAS 1244022-54-5)
- Tenofovir monopyrfuroxil enrutabine adduct (CAS CATO-C4X-1076107)
- Tenofovir Alafenamide Impurity 37 (CAS CATO-C4X-179737)
- Tenofovir disoproxil Impurity 139 (CAS CATO-C4X-1076139)
- Tenofovir alafenamide63 (CAS CATO-C4X-179763)
- Tenofovir exalidex, 98% (CAS 911208-73-6)
- Tenofovir Impurity 60 (CAS 1428470-49-8)
Recommended Standards
- Castalin (CAS 19086-75-0)
- Etofenamate EP Impurity D (CAS 64352-84-7)
- 1H-Benzimidazolium, 5,6-dichloro-2-[3-(5,6-dichloro-1,3-diethyl-1,3-dihydro-2H-benzimidazol-2-ylidene)-1-propen-1-yl]-1-ethyl-3-(3-sulfobutyl)-, inner salt (CAS 28118-10-7)
- 3-Sialyl-N-acetyllactosamine (CAS 126151-66-4)
- Orforglipron impurity 127 (CAS 2203400-61-5)
- Sofosbuvir Impurity 78 (CAS CATO-C4X-105278)
- Ebastine Impurity N2 (CAS 43076-61-5)
- Formamidine disulfide dihydrochloride (CAS 14807-75-1)
- (S)-1-(2-Cyanoethyl)-5-oxopyrrolidine-2-carboxylic acid (CAS 41563-94-4)
- 3-(4-Amino-2-methoxyphenyl)-1,3-oxazolidin-2-one (CAS 31847-25-3)
- 2-(4-((1,4-Dioxa-8-azaspiro[4.5]Decan-8-yl)methyl)benzoyl)benzonitrile (CAS 898757-58-9)
- 3-Acetyl-1-methylpyrrolidin-2-one (CAS 60044-08-8)
- (S)-3-Cyclohexyl-2-(hydroxymethyl)propanoic acid (CAS 2179069-31-7)
- (Tyr?)-C-Peptide (human) (CAS 57327-90-9)
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