| CAS No. | 70693-38-8 |
| Molecular Formula | C19H36O7 |
| Molecular Weight | 376.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
1,3-Propanediol, 2,2-bis(hydroxymethyl)-, homopolymer, isononanoate pentanoate (CAS 70693-38-8), molecular formula C19H36O7 and molecular weight 376.48 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H36O7, 1,3-Propanediol, 2,2-bis(hydroxymethyl)-, homopolymer, isononanoate pentanoate contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 376.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C19H36O7 |
| Molecular Weight | 376.48 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) | 2.0 |
| CAS Registry Year (est.) | 1977 |