((Chlorocarbonyl)oxy)methyl propionate CAS 133217-90-0
| CAS No. | 133217-90-0 |
| Molecular Formula | C5H7ClO4 |
| Molecular Weight | 166.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of ((Chlorocarbonyl)oxy)methyl propionate is closely related to a carbohydrate-derived structure, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
((Chlorocarbonyl)oxy)methyl propionate (CAS 133217-90-0), molecular formula C5H7ClO4 and molecular weight 166.56 g/mol, is a CATO reference standard with documented purity and traceability.
((Chlorocarbonyl)oxy)methyl propionate (C5H7ClO4) contains a carbohydrate-derived structure, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), ((Chlorocarbonyl)oxy)methyl propionate 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 | C5H7ClO4 |
| Molecular Weight | 166.56 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- Benzyl (2S,5R)-2,5-dimethylpiperidine-1-carboxylate (CAS 1404312-17-9)
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- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
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