66777-93-3 NSC-401698 NSC401698 Phosphoric acid, tris[(4-nitrophenyl)methyl] ester Tris(4-nitrobenzyl) phosphate CAS 66777-93-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66777-93-3 |
| Molecular Formula | C21H18N3O10P |
| Molecular Weight | 503.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 66777-93-3 NSC-401698 NSC401698 Phosphoric acid, tris[(4-nitrophenyl)methyl] ester Tris(4-nitrobenzyl) phosphate (CAS 66777-93-3) pharmaceutical standards reference standard. Molecular formula: C21H18N3O10P. Molecular weight: 503.36 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H18N3O10P |
| Molecular Weight | 503.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 4-[(2Z)-3-(2,4-Dimethoxyphenyl)prop-2-enoyl]phenyl 4-bromobenzene-1-sulfonate (CAS 331461-46-2)
- Benzyl 3,5-bis(benzyloxy)-4-bromobenzoate (CAS 158585-09-2)
- 1-Benzyl 2-methyl (2<I>S</I>,4<I>R</I>)-4-((4-bromoisoindoline-2-carbonyl)oxy)pyrrolidine-1,2-dicarboxylate (CAS 1269195-05-2)
- 3-Bromo-5-chloro-6-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-17-9)
- 4-(2-Aminoethyl)-2-propyltetrahydro-2h-pyran-4-ol (CAS 1523030-78-5)
- tert-butyl 2-(piperidin-4-yl)benzoate (CAS 1803600-82-9)
- 2-(4-Methylthiazol-2-yl)-1-(piperazin-1-yl)ethan-1-one hydrochloride (CAS 1052549-44-6)
- Cyclohexane-1,4-dicarbonitrile (CAS 10534-13-1)
- tert-Butyl 3-(2-hydroxycyclobutyl)pyrrolidine-1-carboxylate (CAS 1823256-64-9)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
Why CATO?
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