1,3-Dimethoxy-1,3-dimethyl-1,3-diphenyldisiloxane CAS 129073-86-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 129073-86-5 |
| Molecular Formula | C16H22O3Si2 |
| Molecular Weight | 318.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,3-Dimethoxy-1,3-dimethyl-1,3-diphenyldisiloxane (CAS 129073-86-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H22O3Si2. Molecular weight: 318.52 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H22O3Si2 |
| Molecular Weight | 318.52 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
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Recommended Standards
- 2-(6-Chloro-2,2-difluorobenzo[d][1,3]dioxol-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1628572-71-3)
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- 2,7-Di-tert-butyl-4,5,9,10-tetrahydropyrene (CAS 69080-03-1)
- (R)-methyl 1,2,3,4-tetrahydroisoquinoline-3-carboxylate (CAS 191327-28-3)
- 2-(Chloromethyl)-5-(2,6-dichlorophenyl)pyrimidine (CAS 1361467-41-5)
- 2-[(2E)-3-(4-Chlorophenyl)prop-2-enoyl]phenyl 4-nitrobenzoate (CAS 301194-74-1)
- 3-Ethylisothiazole-4-carboxylic Acid (CAS 1239844-43-9)
- 1-methylcyclopropane-1-carbonyl chloride (CAS 16480-05-0)
- 4-Fluoro-1-nitro-2-(pentyloxy)benzene (CAS 94832-26-5)
- Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 330456-24-1)
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