2-(-2-((-(2-Hydroxy-5-sulfophenyl)diazenyl)-(phenyl)methylene)hydrazinyl)benzoic acid CAS 135-52-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 135-52-4 |
| Molecular Formula | C20H16N4O6S |
| Molecular Weight | 440.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-(-2-((-(2-Hydroxy-5-sulfophenyl)diazenyl)-(phenyl)methylene)hydrazinyl)benzoic acid (CAS 135-52-4) pharmaceutical standards reference standard. Molecular formula: C20H16N4O6S. Molecular weight: 440.43 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H16N4O6S |
| Molecular Weight | 440.43 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
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- Hydroxy-PEG7-CH2-Boc (CAS 2378049-28-4)
- 1-(4-Hydroxy-7-(p-tolyl)thieno[3,2-d]pyrimidin-2-yl)-N-(3-methoxypropyl)piperidine-3-carboxamide (CAS 1242982-22-4)
- 6-Hydroxy-5-(8-methylnonyl)-2-(4-octylphenyl)pyrimidin-4(1H)-one (CAS 144314-75-0)
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Recommended Standards
- Prednisolone impurity 56 (CAS CATO-C4X-173756)
- (S)-2-(7-Nitrodibenzo[b,d]furan-2-sulfonamido)-3-phenylpropanoic acid (CAS 98044-79-2)
- Prednisolone Impurity 24 (CAS CATO-C4X-173724)
- 3-Cyclopropoxy-N1-methylphthalamide (CAS 1243464-14-3)
- Ethyl 2-((5-((2,3-dimethylphenyl)amino)-1,3,4-thiadiazol-2-yl)thio)acetate (CAS 793714-45-1)
- 2-Bromo-1-(4-fluoro-3-methoxyphenyl)ethan-1-one (CAS 443914-95-2)
- 5,8-Dichloro-4-hydroxyquinoline-3-carboxylic acid (CAS 35973-26-3)
- 4-(2-Chlorophenyl)-2-methylthiazole (CAS 777853-12-0)
- n-(1-(3-Bromophenyl)ethyl)butan-2-amine (CAS 1019604-98-8)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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