Methyl 5-oxocyclopent-1-enecarboxylate CAS 36601-73-7
| CAS No. | 36601-73-7 |
| Molecular Formula | C7H8O3 |
| Molecular Weight | 140.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies Methyl 5-oxocyclopent-1-enecarboxylate (CAS 36601-73-7), a certified reference material (molecular formula C7H8O3, MW 140.14 g/mol) for analytical method development and quality control.
Structurally, Methyl 5-oxocyclopent-1-enecarboxylate (C7H8O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 140.14 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Methyl 5-oxocyclopent-1-enecarboxylate 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 | C7H8O3 |
| Molecular Weight | 140.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
Related Methyl Standards
- Methyl 3-oxocyclopent-1-enecarboxylate (CAS 108384-35-6)
- (R)-4-Oxocyclopent-2-en-1-yl acetate (CAS 59995-48-1)
- Methyl 4-oxocyclopent-2-ene-1-carboxylate (CAS 59895-12-4)
- (2-Methyl-5-oxocyclopent-1-en-1-yl)boronic acid (CAS 912675-87-7)
- 2-Methyl-3-oxocyclopent-1-en-1-yl acetate (CAS 3883-57-6)
- Ethyl 3-oxocyclopent-1-ene-1-carboxylate (CAS 68196-91-8)
- 3-Oxocyclopent-1-enecarboxylic acid (CAS 108384-36-7)
- 3-Oxocyclopent-1-enecarboxylic acid (CAS 196496-02-3)
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