Hexadecamethylcyclooctasiloxane CAS 556-68-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 556-68-3 |
| Molecular Formula | C16H48O8Si8 |
| Molecular Weight | 593.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Hexadecamethylcyclooctasiloxane (CAS 556-68-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H48O8Si8. Molecular weight: 593.23 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H48O8Si8 |
| Molecular Weight | 593.23 g/mol |
| Purity | >95% |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -7.0 |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 142761-78-2 (3-Ethynyl-4-{[tri(propan-2-yl)silyl]ethynyl}hex-3-ene-1,5-diyne-1,6-diyl)bis[tri(propan-2-yl)silane] DTXSID90565714 (CAS 142761-78-2)
- Clindamycin Palmitate Impurity 71 (CAS CATO-C4X-134171)
- (E)-{[1-(4-chlorophenyl)-4-[(4-methylphenyl)sulfanyl]-2-phenyl-6,7-dihydro-1H-indol-5-yl]methylidene}amino 4-fluorobenzoate (CAS 477887-83-5)
- 312624-26-3 2-Cyanoethylzinc bromide, 0.5M in THF MFCD00671974 (CAS 312624-26-3)
- 4-[2-(Dimethylamino)ethyl]piperidin-4-ol (CAS 1781791-65-8)
- Methyl 6-Deoxy-2-O-methyl-α-D-galactopyranoside (CAS 59981-27-0)
- 1,3-Benzodioxole (CAS 274-09-9)
- Methyl 2-{[2-(2-piperidinyl)ethoxy]-methyl}benzoate hydrochloride (CAS 1219964-44-9)
- 2-(2-Imidazolyl)acetic Acid (CAS 189502-92-9)
- 30003-72-6 insulin chain b oxidized (CAS 30003-72-6)
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