4-(3,5-Dimethyl-1h-pyrazol-1-yl)benzene-1-sulfonic acid CAS 91088-11-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91088-11-8 |
| Molecular Formula | C11H12N2O3S |
| Molecular Weight | 252.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3,5-Dimethyl-1h-pyrazol-1-yl)benzene-1-sulfonic acid (CAS 91088-11-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H12N2O3S. Molecular weight: 252.29 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H12N2O3S |
| Molecular Weight | 252.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- Methyl 2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetate (CAS 105219-75-8)
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- Ethyl 3,7-Dimethyl-5-oxo-5H-thiazolo[3,2-a]pyrimidine-2-carboxylate (CAS 1286695-39-3)
- 1,3-Dimethyl-4-nitro-N-(thiophen-2-ylmethyl)-1H-pyrazol-5-amine (CAS 675819-32-6)
- 2-(5,6-Dimethyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)propanoic acid (CAS 446830-23-5)
- 2-[5,7-dimethyl-2-(methylsulfanyl)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]acetic acid (CAS 863668-02-4)
- 2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetohydrazide (CAS 561009-01-6)
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Recommended Standards
- 4-(2,4,5-Trimethoxyphenyl)-1,2,3-thiadiazole (CAS 320421-98-5)
- 4-(3-Propionylthioureido)benzoic acid (CAS 435286-96-7)
- 3-Amino-N-(furan-2-ylmethyl)benzene-1-sulfonamide (CAS 326610-71-3)
- TCBT 36 (CAS 121107-54-8)
- 2-((5-Cyclohexyl-4-ethyl-4H-1,2,4-triazol-3-yl)thio)-N-(p-tolyl)acetamide (CAS 482651-08-1)
- 5-Methyl-2-(2-(4-methylpiperidin-1-yl)ethoxy)aniline (CAS 947017-77-8)
- 2-(2-Fluoro-3-(trifluoromethyl)phenyl)ethan-1-ol (CAS 886761-81-5)
- Ethyl 3-chloro-5-methylbenzoate (CAS 1256479-64-7)
- 2-(Benzyloxycarbonylamino)-2-deoxy-D-glucose, 98% (CAS 16684-31-4)
- Des-Asp15-Tirzepatide (CAS CATO-CPTD788958)
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