Hydroxy-PEG4-acid CAS 937188-59-5
| CAS No. | 937188-59-5 |
| Molecular Formula | C11H22O7 |
| Molecular Weight | 266.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Hydroxy-PEG4-acid (C11H22O7) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 266.29 g/mol, it falls into the medium-molecular-weight range.
Hydroxy-PEG4-acid (CAS 937188-59-5) is a high-purity analytical reference standard with the molecular formula C11H22O7 and a molecular weight of 266.29 g/mol.
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 Hydroxy-PEG4-acid 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 | C11H22O7 |
| Molecular Weight | 266.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1987 |
Related Hydroxy Standards
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Recommended Standards
- Hydantoin Impurity 3 (CAS 4224-00-4)
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- Hydantoin Impurity 1 (CAS 6859-11-6)
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- Carbamic acid, [(1R,3R)-3-[[(methylsulfonyl)oxy]methyl]cyclopentyl]-, 1,1-dimethylethyl ester (9ci) (CAS 884006-55-7)
- 2-Amino-4-benzylthiazole (CAS 7496-56-2)
- Liraglutide Impurity 10 TFA Salt (CAS CATO-C4X-199210)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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