2-Hydroxy-5-methylbenzenesulfonic Acid CAS 7134-06-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7134-06-7 |
| Molecular Formula | C7H8O4S |
| Molecular Weight | 188.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Hydroxy-5-methylbenzenesulfonic Acid (CAS 7134-06-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H8O4S. Molecular weight: 188.20 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H8O4S |
| Molecular Weight | 188.20 g/mol |
| Purity | 97%+ |
| 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.) | 1959 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 4-Hydroxy-3-methylbenzenesulfonic Acid (CAS 7134-04-5)
- 19813-55-9 Methyl 3-hydroxy-5-methoxy-2-thiophenecarboxylate methyl 3-hydroxy-5-methoxythiophene-2-carboxylate (CAS 19813-55-9)
- 2-Hydroxy-4-methylbenzenesulfonic acid (CAS 22356-80-5)
- 4-hydroxy-2-methylbenzenesulfonic acid (CAS 7134-05-6)
- Hydroxy Ipronidazole-d3 (CAS 1156508-86-9)
- 7-Hydroxy-5,6-dimethylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 1310199-27-9)
- 3-Hydroxy-2-oxo-1,2,3,4-tetrahydroquinoline-7-carbonitrile (CAS 1033747-92-0)
- 2-(4-Hydroxy-2-oxoindolin-3-yl)acetonitrile (CAS 1380540-77-1)
Recommended Standards
- 2-Hydrazinylbenzenesulfonic acid (CAS 91-26-9)
- 2-Methoxybenzenesulfonic acid (CAS 34256-00-3)
- 2-Fluoro-5-(pyridin-4-yl)aniline (CAS 850713-84-7)
- 3-Methyl-1H-pyrazol-4-amine hydrochloride (CAS 1228070-91-4)
- N-(5-(Benzylthio)-1,3,4-thiadiazol-2-yl)-4-methylbenzamide (CAS 393566-70-6)
- 2-[(2-Chlorophenyl)sulfanyl]-5-(trifluoromethyl)benzonitrile (CAS 477866-77-6)
- (2Z)-2-(3-amino-1H-isoindol-1-ylidene)-2-cyanoacetamide (CAS 25621-87-8)
- 6,7-Dichloro-2-(4-chlorophenoxy)-3-(trifluoromethyl)quinoxaline (CAS 478039-85-9)
- 2-Amino-1-(naphthalen-2-yl)ethan-1-ol (CAS 5696-74-2)
- Tyr-Proinsulin C-Peptide (55-89) (human) (CAS 139532-11-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com