3-Ethyl-5-hydroxyadamantane-1-carboxylic acid CAS 466683-24-9
| CAS No. | 466683-24-9 |
| Molecular Formula | C13H20O3 |
| Molecular Weight | 224.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethyl-5-hydroxyadamantane-1-carboxylic acid (CAS 466683-24-9), molecular formula C13H20O3 and molecular weight 224.30 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Ethyl-5-hydroxyadamantane-1-carboxylic acid (C13H20O3) 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 224.30 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 3-Ethyl-5-hydroxyadamantane-1-carboxylic acid 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 | C13H20O3 |
| Molecular Weight | 224.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Ethyl Standards
- Ethyl 3-hydroxyadamantane-1-carboxylate (CAS 122661-59-0)
- 3-Hydroxyadamantane-1-carbohydrazide (CAS 68435-09-6)
- Methyl 3-hydroxyadamantane-1-carboxylate (CAS 68435-07-4)
- 3-Hydroxyadamantane-1-carboxamide (CAS 67496-98-4)
- n-Hydroxyadamantane-1-carboxamide (CAS 28309-44-6)
- 3-Hydroxyadamantane-1-carbonitrile (CAS 59223-70-0)
Recommended Standards
- 3-Ethyl-3-methyl-1-(pyrrolidin-1-ylmethyl)pyrrolidine-2,5-dione (CAS 692254-43-6)
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- 3,5-Diethyl-4-((tetrahydro-2H-pyran-4-yl)oxy)-1H-pyrazole (CAS 476692-22-5)
- 3-Phenyl-1-(m-tolyl)propan-1-one (CAS 54095-43-1)
- 3,5-dihydro-2H-furo[3,2-c]pyridin-4-one (CAS 54415-78-0)
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- 4-Chloro-2-((4-fluorobenzyl)oxy)pyridine (CAS 1346707-08-1)
- 5-Methyl-3-((4-(phenylamino)phenyl)amino)cyclohex-2-en-1-one (CAS 1022488-66-9)
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