HO-PEG8-CH2CH2COOH CAS 937188-60-8
| CAS No. | 937188-60-8 |
| Molecular Formula | C19H38O11 |
| Molecular Weight | 442.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
HO-PEG8-CH2CH2COOH (CAS 937188-60-8), molecular formula C19H38O11 and molecular weight 442.50 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, HO-PEG8-CH2CH2COOH is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 442.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
CATO manufactures HO-PEG8-CH2CH2COOH 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 | C19H38O11 |
| Molecular Weight | 442.50 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.) | 1987 |
Recommended Standards
- 4-Hydroxy-3-methylpentan-2-one (CAS 565-79-7)
- Methyl 26-hydroxy-3,6,9,12,15,18,21,24-octaoxahexacosanoate (CAS 2226611-92-1)
- 4-(Diethylamino)-6-phenyl-2-((3-(trifluoromethyl)benzyl)thio)pyrimidine-5-carbonitrile (CAS 303985-70-8)
- Canagliflozin Impurity 88 (CAS CATO-C4X-112388)
- (S)-2-Amino-3-methyl-N-((S)-1-methyl-piperidin-3-yl)-butyramide (CAS 1401668-59-4)
- 7-Methyl-3H-imidazo[4,5-c]pyridin-4(5H)-one (CAS 18233-04-0)
- [{2-[4-(Ethoxycarbonyl)piperidin-1-yl]-2-oxoethyl}(4-methoxyphenyl)amino]acetic acid (CAS 1142205-71-7)
- Atrasentan Impurity 204 (CAS CATO-C4X-3347204)
- 2,2-Dimethylbut-3-enenitrile (CAS 41405-16-7)
- 3-(1,3-Thiazol-2-yl)propan-1-amine (CAS 63779-34-0)
- tert-Butyl (2-(4-aminophenyl)-2-methylpropyl)carbamate (CAS 180081-10-1)
- 2-(1-aminocyclohexyl)acetic acid (CAS 37631-92-8)
- 2-Chloro-5-phenyl-4-(piperidin-1-yl)pyrimidine (CAS 901303-38-6)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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