5-(3-Amino-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid CAS 30479-81-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 30479-81-3 |
| Molecular Formula | C15H13N3O5S |
| Molecular Weight | 347.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3-Amino-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid (CAS 30479-81-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H13N3O5S. Molecular weight: 347.35 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H13N3O5S |
| Molecular Weight | 347.35 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
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- Ethyl 2-amino-1-(4-aminophenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate (CAS 306278-66-0)
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Recommended Standards
- 4-(Thiophen-2-yl)-N-(3-(trifluoromethyl)phenyl)benzamide (CAS 338794-30-2)
- 5-Hydroxypiroxicam HCl (CAS 76066-11-0)
- 4-(4-(1H-1,2,4-triazol-1-yl)phenyl)-2-((4-fluorophenoxy)methyl)pyrimidine (CAS 685109-40-4)
- Dapsone Impurity 13 (CAS 599-61-1)
- 3-(4-(Benzyloxy)-3-(sec-butyl)phenyl)-1H-pyrazol-5-amine (CAS 501903-23-7)
- (2r,3s,5r)-5-((1h-Pyrazol-1-yl)methyl)-1-((benzyloxy)carbonyl)-5-(tert-butoxycarbonyl)-2-(thiazol-5-yl)pyrrolidine-3-carboxylic acid (CAS 1486470-49-8)
- 2-Ethyl-3-hydroxybenzoic acid (CAS 168899-32-9)
- 1-{[3-(4-Methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1,4-diazepane (CAS 1094668-16-2)
- 6-Bromo-2-(4-bromo-2-fluorophenyl)quinazoline (CAS 1260784-16-4)
- Pancreatic Polypeptide (31-36), amide, human (CAS 74012-13-8)
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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