Tetramethyl Orthosilicate CAS 681-84-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 681-84-5 |
| Molecular Formula | C4H12O4Si |
| Molecular Weight | 152.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Tetramethyl Orthosilicate (CAS 681-84-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H12O4Si. Molecular weight: 152.22 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H12O4Si |
| Molecular Weight | 152.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1957 |
Related Tetramethyl Standards
- 2,2,5,5-Tetramethyl-2,5-dihydro-1H-pyrrole-3-carbaldehyde (CAS 170810-86-3)
- 1,2,4,5-Tetramethyl-1h-pyrrole-3-carbaldehyde (CAS 1087610-71-6)
- 4,4,5,5-Tetramethyl-2-vinyl-1,3,2-dioxaborolane 75927-49-0 2-Ethenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;2-Vinyl-4,4,5,5-tetramethyl-1,3,2-dioxaoborolane;Vinylboronic acid pinacol ester (CAS 75927-49-0)
- 2',2',3',3'-Tetramethyl-[1,1'-bi(cyclopropan)]-1-ol (CAS 1519454-04-6)
- 2,2,6,6-Tetramethyl-4-piperidone (CAS 826-36-8)
- 2,2,5,6-Tetramethyl-4H-1,3-dioxin-4-one (CAS 87769-39-9)
- 2,2,6,6-Tetramethyl-2h-3,5,6-trihydropyran-4-one (CAS 1197-66-6)
- 2,2,4,4-Tetramethyl-3-sulfanylidenecyclobutan-1-one (CAS 10181-59-6)
Recommended Standards
- N-methyl-2-(methylamino)ethanesulfonamide (CAS 881008-64-6)
- 2-Naphthol-d8 (CAS 78832-61-8)
- N-Butylsulfamide (CAS 42731-63-5)
- Sodium Mandelate-phenyl-d (CAS 114-21-6)
- N-(5,6-Dimethoxybenzo[d]thiazol-2-yl)-5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-amine (CAS 891084-73-4)
- (2R,3R)-2-(3,5-Dihydroxy-4-methoxyphenyl)-5,7-dihydroxychroman-3-yl 3,5-dihydroxy-4-methoxybenzoate (CAS 298700-58-0)
- 1-Pyrrolidinecarboxylic acid, 2-[(1R,2R)-1-methoxy-2-methyl-3-oxo-3-[[(1S)-2-phenyl-1-(2-thiazolyl)ethyl]amino]propyl]-, 1,1-dimethylethyl ester, (2S)- (CAS 120205-54-1)
- Amyloid β-Protein (1-40) trifluoroacetate salt (CAS 131438-79-4)
- Pregabalin Diacid (CAS CATO-C4X-131238)
- β-Bag Cell Peptide (Aplysia californica) (CAS 109024-47-7)
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 13829788188 / jacky.chen@cato-chem.com