4-Hydroxy-7-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)naphthalene-2-sulfonic acid CAS 85136-68-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 85136-68-1 |
| Molecular Formula | C14H12N2O5S |
| Molecular Weight | 320.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-7-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)naphthalene-2-sulfonic acid (CAS 85136-68-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C14H12N2O5S. Molecular weight: 320.32 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H12N2O5S |
| Molecular Weight | 320.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 1-Hydroxy-2,7-diamino Mitosene (Mixture cis/trans) (CAS 1192552-64-9)
- (5E)-5-[(4-Hydroxy-3-methoxyphenyl)methylidene]-1-(2-methoxyethyl)-1,3-diazinane-2,4,6-trione (CAS 551931-25-0)
- 1-(4-Hydroxy-3-methoxyphenyl)-2-(2-methoxyphenoxy)propane-1,3-diol (CAS 7382-59-4)
- N-{4-[(4-Hydroxy-phenyl)-methyl-sulfamoyl]-phenyl}-acetamide (CAS 343935-62-6)
- 6-Hydroxy-3,3-dimethyl-9-phenyl-2,3,4,9-tetrahydro-1H-xanthen-1-one (CAS 368434-69-9)
- 5-Hydroxy-4-(3-(pyrrolidin-1-ylmethyl)phenyl)isoquinolin-1(2H)-one (CAS 651029-63-9)
- 5-Hydroxy-4-(4-(pyrrolidin-1-ylmethyl)phenyl)isoquinolin-1(2H)-one (CAS 651029-44-6)
- 4-[(2-Hydroxy-ethyl)-isopropyl-amino]-piperidine-1-carboxylic acid benzyl ester (CAS 1353979-45-9)
Recommended Standards
- 4-(4-Fluorophenyl)-2-(4-methoxyphenoxy)nicotinonitrile (CAS 478245-88-4)
- 5-{[4-(3-Fluoropropoxy)phenyl]methylene}-1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione (CAS 477857-22-0)
- 4-(3,4-Dimethyl-6-oxopyrano[2,3-c]pyrazol-1(6H)-yl)benzenesulfonic acid (CAS 676246-99-4)
- N-(4-(1H-1,2,4-triazol-1-yl)phenyl)-2-chloronicotinamide (CAS 1024376-38-2)
- 4-Methyl-N-(piperidin-4-yl)thiazol-2-amine dihydrochloride (CAS 1251923-02-0)
- (R)-3-((tert-butoxycarbonyl)amino)-2-(3-methoxybenzyl)propanoic acid (CAS 1260596-57-3)
- 2-Bromo-N,2-dimethylpropanamide (CAS 69959-88-2)
- 1-[2-Amino-1-(3-bromo-phenyl)-ethyl]-pyrrolidine-3-carboxylic acid (CAS 886363-90-2)
- (E)-3-(2-fluoro-6-methoxyphenyl)acrylic acid (CAS 1683524-11-9)
- Peptide 441 (CAS CATO-CPTD788441)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com