60665-85-2 2,4,6,8-Tetramethyl-2,4,6,8-tetrakis(3-(oxiranylmethoxy)propyl)cyclotetrasiloxane EINECS 262-360-7 CAS 60665-85-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 60665-85-2 |
| Molecular Formula | C28H56O12Si4 |
| Molecular Weight | 697.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
60665-85-2 2,4,6,8-Tetramethyl-2,4,6,8-tetrakis(3-(oxiranylmethoxy)propyl)cyclotetrasiloxane EINECS 262-360-7 (CAS 60665-85-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H56O12Si4. Molecular weight: 697.08 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C28H56O12Si4 |
| Molecular Weight | 697.08 g/mol |
| Purity | 97%+ |
| 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) | 1.0 |
| CAS Registry Year (est.) | 1974 |
Related Tetramethyl Standards
- 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-didecylfluorene (CAS 711026-06-1)
- (2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane-2,4,6,8-tetrayl)tetrakis(propane-3,1-diyl) tetraacrylate (CAS 71550-64-6)
- 2,4,6-Tris(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1,3,5-triazine (CAS 1447947-87-6)
- 2,2'-(5'-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-[1,1':3',1''-terphenyl]-4,4''-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 1017967-97-3)
- Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)ruthenium(III) (CAS 38625-54-6)
- Tetramethyl 4,4’,4’’,4’’’-[[2,2’-Bi(1,3-dithiolylidene)]-4,4’,5,5’-tetrayl]tetrabenzoate (CAS 1776115-39-9)
- (11aS)-1,2,10,11-Tetramethyl-4,8-bis(t-butyl)-6-[[(2S,5S)-(2,5-diphenyl-1-phospholanyl) methoxy]-dibenzo[d,f][1,3,2]dioxaphosphepin] (CAS 1373349-83-7)
- Tris(2,3,5,6-tetramethyl-4-(pyridin-4-yl)phenyl)borane (CAS 1046498-57-0)
Recommended Standards
- Magnesium, [[4,4′,4′′,4′′′-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[benzenaminato]](2-)-N21,N22,N23,N24]-, (SP-4-1)- (CAS 98086-28-3)
- 6,8-DIbromo-3-formylchromone (CAS 42059-76-7)
- 5-Methoxy-2-methyl-3-(3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl)cyclohexa-2,5-diene-1,4-dione (CAS 6917-54-0)
- 1-(3,4-Dimethylbenzyl)pyrrolidin-3-ol (CAS 1044767-00-1)
- 4,4'-(9,9-Dimethyl-9H-fluorene-2,7-diyl)dipyridine (CAS 1217980-22-7)
- 2-(Pyridin-3-yl)pyridin-3-ol (CAS 380849-23-0)
- Aminobenztropine (CAS 88097-86-3)
- Ethyl 2-(diethoxyphosphoryl)benzoate (CAS 28036-11-5)
- 4-Benzoyl-8-tert-Butyl-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326811-69-1)
- Tirzepatide Impurity 52 (CAS CATO-C4X-324052)
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