5-(Phenylamino)naphthalene-1-sulfonic acid CAS 20096-52-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20096-52-0 |
| Molecular Formula | C16H13NO3S |
| Molecular Weight | 299.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Phenylamino)naphthalene-1-sulfonic acid (CAS 20096-52-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H13NO3S. Molecular weight: 299.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H13NO3S |
| Molecular Weight | 299.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Phenylamino Standards
- 6-(Phenylamino)naphthalene-2-sulfonic acid (CAS 20096-53-1)
- 5-(Phenylamino)-N-(thiophen-2-ylmethyl)-1H-1,2,3-triazole-4-carboxamide (CAS 1105199-56-1)
- 1-(9-(Phenylamino)-9H-fluoren-9-yl)ethanone (CAS 88070-90-0)
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- 2-[(Phenylamino)thioxomethyl]hydrazide 4-(Hydroxymethyl)-benzoic Acid (CAS 935291-63-7)
- 1-(Phenylamino)-N-(pyrrolidin-1-ylmethyl)cyclohexanecarboxamide (CAS 78349-36-7)
- 2-(Phenylamino)-4H-pyrido[3,2-e][1,3]selenazin-4-one (CAS 89914-58-9)
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Recommended Standards
- 5-(4-Nitrophenyl)-6-phenyl-2,3-dihydro-1,4-oxathiine (CAS 2177259-37-7)
- 5-[(3-Phenoxyphenyl)methyl]-1,3-thiazolidine-2,4-dione (CAS 262844-57-5)
- 4-Fluoro-4-morpholinomethyl benzophenone (CAS 898770-00-8)
- 1,4-Difluoro-5,8-dimethylanthracene-9,10-dione (CAS 389633-53-8)
- 4-Dimethylaminophenylglyoxal hydrate (CAS 115282-41-2)
- 4-Butoxyphenethyl pyrimidine-5-carboxylate (CAS 59855-51-5)
- 2-Methiopropamine hydrochloride (CAS 7464-94-0)
- 3,8-dichloro-[1,2,4]triazolo[4,3-a]pyridine (CAS 22841-86-7)
- 227000-85-3 Alkoxyamine NMP initiator N-tert-Butyl-O-[1-[4-(chloromethyl)phenyl]ethyl]-N-(2-methyl-1-phenylpropyl)hydroxylamine (CAS 227000-85-3)
- Semaglutide impurity 73 (CAS CATO-C4X-222673)
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