Diethyl (Trimethylsilyl) Phosphite CAS 13716-45-5
| CAS No. | 13716-45-5 |
| Molecular Formula | C7H19O3PSi |
| Molecular Weight | 210.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Diethyl (Trimethylsilyl) Phosphite (CAS 13716-45-5) is a high-purity analytical reference standard with the molecular formula C7H19O3PSi and a molecular weight of 210.28 g/mol.
Structurally, Diethyl (Trimethylsilyl) Phosphite (C7H19O3PSi) contains a phosphonate group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of -1.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 210.28 g/mol, it falls into the medium-molecular-weight range.
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.
Physical & Chemical Properties
| Molecular Formula | C7H19O3PSi |
| Molecular Weight | 210.28 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.5 |
| CAS Registry Year (est.) | 1960 |
Related Diethyl Standards
- 3,4-Diethyl-1,1'-biphenyl (CAS 61141-66-0)
- 3,5-Diethyl-4-(tert-pentyloxy)-1H-pyrazole (CAS 476692-27-0)
- Diethyl 1-hydroxybutylphosphonate (CAS 17477-67-7)
- Diethyl (2-ethoxyethyl)phosphonate (CAS 5191-35-5)
- Diethyl 3-(N-Hydroxyamino)propylphosphate (CAS 66508-19-8)
- Diethyl 1H-pyrrole-2,3-dicarboxylate (CAS 25472-60-0)
- Diethyl (carbamothioylmethyl)phosphonate (CAS 77679-10-8)
- 2-(3,5-Diethyl-4-propyl-1H-pyrazol-1-yl)ethanamine (CAS 562815-86-5)
Recommended Standards
- 3,5-dimethyl-1,3,4,7-tetraazatricyclo[7.3.0.0²,⁶]dodeca-2(6),4-dien-8-one (CAS 1360059-53-5)
- 2-(3-tert-butyl-1H-1,2,4-triazol-5-yl)morpholine (CAS 1384428-59-4)
- 1-(1-Methyl-1H-pyrazol-4-yl)-2-(piperazin-1-yl)ethan-1-ol (CAS 1354952-22-9)
- (1-(1-Ethylpiperidin-4-yl)-1H-1,2,3-triazol-4-yl)methanol (CAS 1415560-75-6)
- 1-(2,5-Dichlorophenyl)-1h-pyrazole-3-carboxylic acid (CAS 1152962-14-5)
- 4-Bromo-2-ethoxyphenol (CAS 211495-66-8)
- cis-1-Amino-4-methoxycyclohexanecarboxylic acid (CAS 387825-54-9)
- 2-{N-[5-(benzyloxy)-2,4-dichlorophenyl]4-methoxybenzenesulfonamido}-N-(3,5-dichlorophenyl)acetamide (CAS 338961-78-7)
- Vaborbactam Impurity 2 (CAS CATO-C4X-34772)
- (s)-2-Fluoro-n-(piperidin-3-yl)benzamide hydrochloride (CAS 1322200-85-0)
- 1-({4-[(2H-1,3-benzodioxol-5-yl)methyl]piperazin-1-yl}methyl)-1H-1,2,3-benzotriazole (CAS 305859-45-4)
- 3-(5-Chloro-1H-benzoimidazol-2-yl)-propionic acid (CAS 82138-56-5)
- 3-(Cyclopropylmethyl)-2-(dimethylamino)phenol (CAS 1243473-29-1)
- TRAF6 Control Peptide trifluoroacetate salt (CAS 852690-80-3)
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