Benzenesulfonic Acid CAS 98-11-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 98-11-3 |
| Molecular Formula | C6H6O3S |
| Molecular Weight | 158.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Benzenesulfonic Acid (CAS 98-11-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H6O3S. Molecular weight: 158.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H6O3S |
| Molecular Weight | 158.18 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1957 |
| Sulfur Atoms | 1 |
Related Benzenesulfonic Standards
- 25321-41-9 Benzenesulfonic acid, dimethyl- Dimethylbenzenesulfonic acid Xylene sulfonic acid Xylenesulphonic acid EINECS 246-839-8 Xylenesulfonic acid EC 246-839-8 (CAS 25321-41-9)
- Benzenesulfonic Impurity 4 (CAS 55034-26-9)
- Benzenesulfonic acid, 2-propenyl ester (CAS 7575-57-7)
- Benzenesulfonic acid, 4-methyl-, ethenyl ester (CAS 83813-73-4)
- Benzenesulfonic Acid Impurity 5 (CAS 249285-50-5)
- Benzenesulfonic acid, diethenyl-, homopolymer (CAS 65405-46-1)
- Benzenesulfonic Acid Impurity 11 (CAS 24698-43-9)
- Benzenesulfonic acid, (acetylamino)- (CAS 138721-63-8)
Recommended Standards
- Timolol Impurity 15 (CAS 949293-84-9)
- Dimethylphosphorodithioate (CAS 756-80-9)
- Acotiamide Impurity 21 (CAS 118452-04-3)
- 2-(Chloromethyl)-5,6-diphenylfuro[2,3-d]pyrimidin-4-amine (CAS 1000933-67-4)
- Methyl 3-(2-aminophenoxy)benzoate (CAS 227275-23-2)
- ICI 216,140 (CAS 124001-41-8)
- (3-(Methoxymethyl)adamantan-1-yl)methanol (CAS 1334415-43-8)
- 6-Bromochromone-3-propionic acid (CAS 870703-98-3)
- 1-(3-Methoxyphenyl)-1H-pyrazole-3-carboxylic acid (CAS 1152536-76-9)
- [α-Glu](Sidechain trans-position)-Liraglutide (CAS CATO-C4X-199240)
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