Carboxy-PEG4-phosphonic acid ethyl ester CAS 1964503-39-6
| CAS No. | 1964503-39-6 |
| Molecular Formula | C15H31O9P |
| Molecular Weight | 386.38 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 Carboxy-PEG4-phosphonic acid ethyl ester.
Carboxy-PEG4-phosphonic acid ethyl ester (CAS 1964503-39-6), molecular formula C15H31O9P and molecular weight 386.38 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Carboxy-PEG4-phosphonic acid ethyl ester (C15H31O9P) is characterized by a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Carboxy-PEG4-phosphonic acid ethyl ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H31O9P |
| Molecular Weight | 386.38 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) | 0.5 |
| CAS Registry Year (est.) | 1996 |
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Recommended Standards
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- 4-Chloro-7-(trifluoromethoxy)quinoline (CAS 40516-31-2)
- (2-Chloro-4,5-dimethylphenyl)methanol (CAS 1087417-69-3)
- 4-Iodomethyl-1-methyl-piperidine (CAS 1353989-49-7)
- 1,4-Dimethyl-1,4,9-triazaspiro[5.5]Undecane trihydrochloride (CAS 1609400-09-0)
- 5-Chloro-2-(trifluoromethyl)pyridin-4-ol (CAS 1196157-49-9)
- 2-[4-(bromomethyl)phenyl]-1,3-oxazole (CAS 866261-56-5)
- (1S,2R)-2-Aminocyclohexanecarboxamide (CAS 313055-95-7)
- (S)-2-(2-((R)-2-Amino-5-guanidinopentanamido)acetamido)succinic acid (CAS 120103-84-6)
- (R)-6-bromo-1,2,3,4-tetrahydronaphthalen-1-ol (CAS 1568168-36-4)
- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
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