O-tolyl 4-methylbenzenesulfonate CAS 599-75-7
| CAS No. | 599-75-7 |
| Molecular Formula | C14H14O3S |
| Molecular Weight | 262.32 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 O-tolyl 4-methylbenzenesulfonate (CAS 599-75-7), a certified reference material (molecular formula C14H14O3S, MW 262.32 g/mol) for analytical method development and quality control.
The molecular framework of O-tolyl 4-methylbenzenesulfonate (C14H14O3S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), O-tolyl 4-methylbenzenesulfonate 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 | C14H14O3S |
| Molecular Weight | 262.32 g/mol |
| Purity | >95% |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related O Standards
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- (8-(M-tolyl)-1,4-dioxaspiro[4.5]Decan-8-yl)methanamine (CAS 887978-87-2)
- 4-(o-Tolyl)quinoline-3-carboxylic acid (CAS 107419-47-6)
- 2-(O-tolyl)quinoline-4-carboxylic acid (CAS 174636-85-2)
- 3-(p-Tolyl)quinolin-4-yl hydrogen carbonate (CAS 19571-23-4)
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Recommended Standards
- Methyl 3-[(4-methylphenyl)methoxy]thiophene-2-carboxylate (CAS 343375-77-9)
- Ethyl 4,4-diethoxy-1-fluorocyclohexanecarboxylate (CAS 2719726-44-8)
- Trifluoro-methanesulfonic acid ethenyldiethylsilyl ester (CAS 2092926-77-5)
- 5-Bromo-2,4,6-trichloropyrimidine (CAS 63931-21-5)
- 3-[7-(3,4-dimethoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]propanoic acid (CAS 1018052-45-3)
- 5-Amino-4-bromobenzothiophene (CAS 4965-27-9)
- 4-(Pyrimidin-2-yl)benzoic acid hydrochloride (CAS 835923-23-4)
- (R)-2-(4-bromo-3-methylphenyl)pyrrolidine (CAS 1213683-87-4)
- (E)-6,6'-(Diazene-1,2-diyl)dipicolinicacid (CAS 85322-81-2)
- 2-Bromo-1-(4-methylpiperazin-1-yl)propan-1-one (CAS 70060-39-8)
- 2-(Aminooxy)acetamide hydrochloride (CAS 54488-65-2)
- 2-(Benzhydrylamino)-2-oxoethyl 3-aminopropanoate 2,2,2-trifluoroacetate (CAS 204063-33-2)
- Levocarnitine Impurity 43 (CAS 6538-82-5)
- Semaglutide Impurity 133 (CAS CATO-C4X-2226133)
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