3-Acetyl Benzene Sulfonic Acid Sodium Salt CAS 67036-57-1
| CAS No. | 67036-57-1 |
| Molecular Formula | C8H7O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Acetyl Benzene Sulfonic Acid Sodium Salt (CAS 67036-57-1), a certified reference material (molecular formula C8H7O4SNa, MW 222.19 g/mol) for analytical method development and quality control.
Structurally, 3-Acetyl Benzene Sulfonic Acid Sodium Salt (C8H7O4SNa) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 222.19 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H7O4S Na |
| Molecular Weight | 222.19 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Sulfur Atoms | 1 |
Related Acetyl Standards
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- H-Val-pNA (CAS 52084-13-6)
- (R)-1-Chloro-3,3-dimethylbutan-2-ol (CAS 152488-38-5)
- Phthalic acid, bis-2-methyloctyl ester (CAS 70857-56-6)
- tert-Butyl 7-bromo-8-methyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-1-carboxylate (CAS 2246363-84-6)
- 2,6-dichloropyrimidine-4,5-diamine (CAS 130838-36-7)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
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