| CAS No. | 1807505-26-5 |
| Molecular Formula | C11H20O7 |
| Molecular Weight | 264.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Acid-PEG3-mono-methyl ester.
Acid-PEG3-mono-methyl ester (CAS 1807505-26-5) is a high-purity analytical reference standard with the molecular formula C11H20O7 and a molecular weight of 264.27 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, Acid-PEG3-mono-methyl ester is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 264.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 Acid-PEG3-mono-methyl ester 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.
| Molecular Formula | C11H20O7 |
| Molecular Weight | 264.27 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) | 2.0 |
| CAS Registry Year (est.) | 1995 |