Camphor Sulfonic Acid Ethyl Ester CAS CATO-C4X-21141
| CAS No. | CATO-C4X-21141 |
| Molecular Formula | C12H20O4S |
| Molecular Weight | 260.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Camphor Sulfonic Acid Ethyl Ester (CAS CATO-C4X-21141), molecular formula C12H20O4S and molecular weight 260.35 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Camphor Sulfonic Acid Ethyl Ester (C12H20O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 260.35 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), Camphor Sulfonic 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 | C12H20O4S |
| Molecular Weight | 260.35 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| Sulfur Atoms | 1 |
Related Camphor Standards
- (+)-Camphor-10-sulfonic acid chloride (+)-Camphor-10-sulfonyl chloride (1S)-(+)-10-Camphorsulfonyl chloride (1S)-(+)-Camphor-10-sulfonyl chloride (1S)-Camphor-10-sulfonic acid chloride 21286-54-4 (CAS 21286-54-4)
- Camphor Impurity 10 (CAS CATO-C4X-211410)
- Camphor Impurity 9 (CAS CATO-C4X-21149)
- (+)-Camphor (CAS 464-49-3)
- (-)-Camphor (CAS 464-48-2)
- (±)-Camphor (CAS 76-22-2)
- Camphor Impurity 12 (CAS 2094735-34-7)
- Camphor EP Impurity H (CAS CATO-C4X-211413)
Recommended Standards
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