3,3'-oxybis(1,1,1,3,5,5,5-heptamethyltrisiloxane) CAS 2003-92-1
| CAS No. | 2003-92-1 |
| Molecular Formula | C14H42O5Si6 |
| Molecular Weight | 458.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,3'-oxybis(1,1,1,3,5,5,5-heptamethyltrisiloxane).
3,3'-oxybis(1,1,1,3,5,5,5-heptamethyltrisiloxane) (CAS 2003-92-1) is a high-purity analytical reference standard with the molecular formula C14H42O5Si6 and a molecular weight of 458.99 g/mol.
The molecular framework of 3,3'-oxybis(1,1,1,3,5,5,5-heptamethyltrisiloxane) (C14H42O5Si6) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3,3'-oxybis(1,1,1,3,5,5,5-heptamethyltrisiloxane) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H42O5Si6 |
| Molecular Weight | 458.99 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -6.0 |
| CAS Registry Year (est.) | 1957 |
Related oxybis Standards
- (Oxybis(2,1-phenylene))bis(di-tert-butylphosphine) (CAS 338800-12-7)
- 2,2'-Oxybis(5,5-dimethyl-1,3,2-dioxaborinane) (CAS 55089-03-7)
- 1,1'-(Oxybis(4,1-phenylenesulfonyl))dipiperidine (CAS 313493-63-9)
- 1,1'-(Oxybis(4,1-phenylene))bis(2-bromo-2-methylpropan-1-one) (CAS 157891-77-5)
- 4,4'-(Oxybis(4,1-phenylenesulfonyl))dimorpholine (CAS 300405-33-8)
- 8,8'-((((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl))bis(oxy))diquinoline (CAS 57310-75-5)
- 5,5'-(Oxybis(methylene))bis(1,3-bis(trifluoromethyl)benzene) (CAS 189446-57-9)
- ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-ethylhexanoate) (CAS 18268-70-7)
Recommended Standards
- 1,1-(2-Bromoethylidene)bis[2,3-dichloro-4-methoxy-benzene (CAS 397301-38-1)
- Tetradecamethylhexasiloxane (CAS 107-52-8)
- (E)-{2-[(4-chlorophenyl)sulfanyl]-1-{6-methyl-[1,2,4]triazolo[3,2-b][1,3]thiazol-5-yl}ethylidene}[(4-methoxyphenyl)methoxy]amine (CAS 866131-22-8)
- Loperamide EP Impurity H (CAS 61299-42-1)
- 5-(3-methylphenyl)-1,3,4-oxadiazol-2-ol (CAS 119933-33-4)
- 2-(Benzylthio)-3-methylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 338779-09-2)
- 4-(3-Ethyl-1-methyl-1h-1,2,4-triazol-5-yl)thiazol-2-amine (CAS 1341275-56-6)
- 7-Fluoro-4-methoxy-6-methyl-2-(trifluoromethyl)quinoline (CAS 537033-77-5)
- 1-(Furan-2-yl)-2-(pyrrolidin-2-yl)ethan-1-ol (CAS 1384534-93-3)
- Flupentixol Impurity 16 (CAS CATO-C4X-189516)
- Potassium 1,1,2,2,3,3-Hexafluoropropane-1,3-disulfonimide (CAS 588668-97-7)
- 1-(3-Chloro-4-propoxyphenyl)ethanone (CAS 37612-46-7)
- 4,6-Dichloro-1-methyl-1,3-dihydro-2H-pyrrolo[3,2-c]pyridin-2-one (CAS 1361410-15-2)
- Biotinyl-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 213779-13-6)
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