15,15,17,17-Tetraethoxy-2,5,8,11,18-pentaoxa-15,17-disilaicosane CAS 1627573-19-6
| CAS No. | 1627573-19-6 |
| Molecular Formula | C21H48O9Si2 |
| Molecular Weight | 500.77 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 15,15,17,17-Tetraethoxy-2,5,8,11,18-pentaoxa-15,17-disilaicosane.
15,15,17,17-Tetraethoxy-2,5,8,11,18-pentaoxa-15,17-disilaicosane (CAS 1627573-19-6), molecular formula C21H48O9Si2 and molecular weight 500.77 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 15,15,17,17-Tetraethoxy-2,5,8,11,18-pentaoxa-15,17-disilaicosane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 500.77 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 15,15,17,17-Tetraethoxy-2,5,8,11,18-pentaoxa-15,17-disilaicosane 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 | C21H48O9Si2 |
| Molecular Weight | 500.77 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) | -2.0 |
| CAS Registry Year (est.) | 1993 |
Related Tetraethoxy Standards
- 4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane (CAS 56706-10-6)
- 4,4,13,13-Tetraethoxy-3,14-dioxa-4,13-disilahexadecane (CAS 52217-60-4)
- 1,1,3,3-Tetraethoxy-2,2-dimethylpropane (CAS 10602-38-7)
- 1,1,3,3-Tetraethoxy-2-methyl-propane (CAS 10602-37-6)
- Tetraethoxy-d20-silane (CAS 272778-10-6)
Recommended Standards
- Vecuronium Bromide Impurity 9 (CAS 53357-31-6)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-bromo-2-chlorophenyl)propanoic acid (CAS 1694226-46-4)
- Vecuronium Bromide Impurity 8 (CAS 13522-24-2)
- (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-bromo-2-chlorophenyl)propanoic acid (CAS 2015413-31-5)
- Benzyl (4-bromo-2-chlorophenyl)carbamate (CAS 1259064-47-5)
- 3-Chloro-2,6-difluorobenzenesulfonyl chloride (CAS 1208077-31-9)
- 1-Oxa-4,9-diazaspiro[5.5]undecan-3-one hydrochloride (CAS 1402232-51-2)
- 2-(3-aminooxetan-3-yl)acetic acid (CAS 1373923-03-5)
- 2-Bromo-6-chloro-4-fluoropyridine (CAS 1393544-44-9)
- Trimethoxy(methoxymethyl)silane (CAS 22859-36-5)
- 2-(5-Bromo-2-methoxyphenyl)-2-chloroacetonitrile (CAS 1250587-61-1)
- Diacerein impurity 26 (CAS CATO-C4X-108126)
- NMS-873 (CAS 1418013-75-8)
- Tirzepatide Impurity 26 X TFA Salt (CAS CATO-C4X-324026)
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 18665070610 / Nicole.chen@cato-chem.com