Hydroxy-PEG3-SS-PEG3-alcohol CAS 5662-81-7
| CAS No. | 5662-81-7 |
| Molecular Formula | C16H34O8S2 |
| Molecular Weight | 418.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Hydroxy-PEG3-SS-PEG3-alcohol (CAS 5662-81-7), molecular formula C16H34O8S2 and molecular weight 418.57 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Hydroxy-PEG3-SS-PEG3-alcohol (C16H34O8S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 418.57 g/mol, it falls into the moderately-high-molecular-weight range.
CATO manufactures Hydroxy-PEG3-SS-PEG3-alcohol 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 | C16H34O8S2 |
| Molecular Weight | 418.57 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) | 0.0 |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 2 |
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Recommended Standards
- Eliglustat Impurity 7 (CAS 491833-30-8)
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- Cholesterol Impurity 12 (CAS 570-88-7)
- Anhydro Simvastatin Acid Sodium Salt (CAS 393825-04-2)
- 3,4-Diamino-5-bromopyridine (CAS 4635-08-9)
- 2-Methyl-N-(triphenylphosphoranylidene)aniline (CAS 35843-74-4)
- 2-(((1-((Benzyloxy)carbonyl)piperidin-2-yl)methyl)(isopropyl)amino)acetic acid (CAS 1353962-34-1)
- 4-methylpiperazine-1-carboximidamide;sulfuric acid (CAS 84727-42-4)
- 4-Chloro-2-(difluoromethyl)-6-methylpyridin-3-ol (CAS 1805055-22-4)
- Ketoprofen Impurity 103 (CAS CATO-C4X-1471103)
- ammonium [(1R,3S,4S)-3-bromo-1,7-dimethyl-2-oxobicyclo[2.2.1]heptan-7-yl]methanesulfonate (CAS 1262985-34-1)
- 4-vinylbenzyl chloride (CAS 1592-20-7)
- Ethyl 2-(4-chlorophenylamino)-4,9-dioxo-4,9-dihydro-naphtho[2,3-b]thiophene-3-carboxylate (CAS 1258638-44-6)
- Semaglutide Impurity 4 (CAS CATO-C4X-22264)
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