3-Hydroxy-4-(2,6,6-trimethyltetrahydro-2H-pyran-2-yl)benzoic acid CAS 63087-77-4
| CAS No. | 63087-77-4 |
| Molecular Formula | C15H20O4 |
| Molecular Weight | 264.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-4-(2,6,6-trimethyltetrahydro-2H-pyran-2-yl)benzoic acid (CAS 63087-77-4), molecular formula C15H20O4 and molecular weight 264.32 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Hydroxy-4-(2,6,6-trimethyltetrahydro-2H-pyran-2-yl)benzoic acid (C15H20O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 264.32 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-Hydroxy-4-(2,6,6-trimethyltetrahydro-2H-pyran-2-yl)benzoic 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 | C15H20O4 |
| Molecular Weight | 264.32 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
Related Hydroxy Standards
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- (R)-4-(2-hydroxy-1-(2-methoxyphenyl)ethoxy)cyclohexan-1-one (CAS 1434656-14-0)
- 2-Hydroxy-N-(3-morpholinopropyl)benzamide (CAS 24337-51-7)
- 5-(1-Hydroxy-2,6,6-trimethyl-4-oxocyclohex-2-en-1-yl)-3-methylpenta-2,4-dienoic acid (CAS 7773-56-0)
- 6-(3-hydroxy-3-methyl-but-1-ynyl)-2H-chromene-3-carboxylic acid (CAS 2621097-71-8)
- 2-Hydroxy-5-n-octanoylbenzoic Acid (CAS 78418-01-6)
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Recommended Standards
- 3-Butyl-7-isobutyl-3,7-dihydro-1h-purine-2,6-dione (CAS 571920-82-6)
- 4-((2-Methylquinolin-4-yl)methoxy)aniline (CAS 654647-30-0)
- 3-Benzyl-2-ethylquinazolin-4(3H)-one (CAS 297762-56-2)
- 4-((4-(2-Hydroxyethyl)piperazin-1-yl)methyl)benzoic acid (CAS 938348-99-3)
- 3-(Methoxymethyl)-1,2,3,5,6,7-hexahydro-s-indacen-4-amine (CAS 2676862-07-8)
- 1346604-31-6 2,2'-(4-Bromo-1-butenylidene)bis-3-methyl-d6-thiophene (CAS 1346604-31-6)
- Sodium 4-acetoxybenzenesulfonate (CAS 3885-04-9)
- 1,4-Bis((trimethylsilyl)oxy)benzene (CAS 90162-40-6)
- Barloxavir impurity C718 (CAS 1370250-38-6)
- Tofacitinib Impurity N33 (CAS 1615709-90-4)
- Methyl 2-(2-(2-(4,6-dimethylpyrimidin-2-yl)hydrazono)-4-oxo-3-phenylthiazolidin-5-ylidene)acetate (CAS 890630-63-4)
- N-(2-(6-(Methylthio)-4-(propylamino)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)acetamide (CAS 946282-08-2)
- N-(3,4-Dichlorophenyl)-1,2,3-thiadiazole-4-carboxamide (CAS 341965-34-2)
- Semaglutide impurity 244(Fmoc-His(Fmoc)-Aib-OH) (CAS CATO-C4X-2226244)
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