Triphenyl phosphite CAS 101-02-0
| CAS No. | 101-02-0 |
| Molecular Formula | C18H15O3P |
| Molecular Weight | 310.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Triphenyl phosphite is closely related to a steroid core, a phosphonate group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Triphenyl phosphite (CAS 101-02-0), molecular formula C18H15O3P and molecular weight 310.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H15O3P, Triphenyl phosphite contains a steroid core, a phosphonate group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 310.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Triphenyl phosphite 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 | C18H15O3P |
| Molecular Weight | 310.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Triphenyl Standards
- 2-Methyl-2,4,5-triphenyl-2H-imidazole (CAS 87880-13-5)
- 3,5,6-Triphenyl-1,4-dihydropyridazine (CAS 87439-77-8)
- 3274-60-0 2-Methyl-3,4,5-triphenyl-1H-pyrrole DTXSID80501666 (CAS 3274-60-0)
- 3,5,6-Triphenyl-1,2,4-triazine (CAS 24108-44-9)
- 2,4,6-Triphenyl-1,3,5-triazine (CAS 493-77-6)
- 2,4,6-Triphenyl-1,3,5,2,4,6-triazatriborinane (CAS 976-28-3)
- 1,2,5-Triphenyl-1H-phosphole (CAS 1162-70-5)
- 1,4,5-Triphenyl-1H-pyrazol-3(2H)-one (CAS 5022-92-4)
Recommended Standards
- Methotrexate impurity 7 (CAS CATO-C4X-115447)
- 2-Cyano-3-(4-methoxyphenylsulfanyl)-5-(trifluoromethyl)pyridine (CAS 1449117-53-6)
- Tert-butyl 2-acetoxy-2-(diethoxyphosphoryl)acetate (CAS 2227206-35-9)
- 1-((4-(Trifluoromethoxy)phenyl)sulfonyl)piperazine (CAS 756859-05-9)
- 3-Chloromethyl-2-fluoro-4-(trifluoromethyl)pyridine (CAS 1227564-40-0)
- 9″-Hydroxyjasmesoside (CAS 121979-17-7)
- 7-Fluoro-1H-indole-5-carbonitrile (CAS 883500-88-7)
- Methyl 7-amino-2-benzylbenzo[d]oxazole-5-carboxylate (CAS 890092-28-1)
- 2-(4-(Hydroxymethyl)piperidin-1-yl)acetonitrile (CAS 654663-53-3)
- 2-phenylethane-1-sulfonamide (CAS 16993-47-8)
- Ornidazole Impurity 41 (CAS CATO-C4X-133141)
- 4,6-Dimethyl-1,2,3,4-tetrahydronaphthalen-1-one (CAS 74285-38-4)
- 2-Hydroxy-3,3-dimethylbicyclo[2.2.1]heptane-1-carboxamide (CAS 1243532-14-0)
- D-Asp15-Tirzepatide (CAS CATO-CPTD788919)
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