1-(((2-Hydroxyphenyl)amino)methylene)naphthalen-2(1H)-one CAS 138736-73-9
| CAS No. | 138736-73-9 |
| Molecular Formula | C17H13NO2 |
| Molecular Weight | 263.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(((2-Hydroxyphenyl)amino)methylene)naphthalen-2(1H)-one (CAS 138736-73-9) is a high-purity analytical reference standard with the molecular formula C17H13NO2 and a molecular weight of 263.29 g/mol.
Based on its molecular formula C17H13NO2, 1-(((2-Hydroxyphenyl)amino)methylene)naphthalen-2(1H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 263.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 1-(((2-Hydroxyphenyl)amino)methylene)naphthalen-2(1H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H13NO2 |
| Molecular Weight | 263.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
Related Hydroxyphenyl Standards
- (E)-1-(((2-Hydroxyphenyl)imino)methyl)naphthalen-2-ol (CAS 137320-35-5)
- 1-(((2-Hydroxyphenyl)imino)methyl)naphthalen-2-ol (CAS 894-93-9)
- N-(4-Hydroxyphenyl)-4-methylbenzenesulfonamide (CAS 1146-43-6)
- Ethyl 2-(2-(3-hydroxyphenyl)thiazol-4-yl)acetate (CAS 171017-48-4)
- Ethyl 2-(3-hydroxyphenyl)-4-methylthiazole-5-carboxylate (CAS 209538-87-4)
- N-(2-Hydroxyphenyl)-4-methylbenzene-1-sulfonamide (CAS 3897-39-0)
- N-(3-Hydroxyphenyl)-4-methylbenzene-1-sulfonamide (CAS 3743-29-1)
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Recommended Standards
- (1s,3r)-3-(((Benzyloxy)carbonyl)amino)cyclopentane-1-carboxylic acid (CAS 1380486-21-4)
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- 3-Methyl-3-(3-methyl-[1,2,4]oxadiazol-5-yl)-piperidine hydrochloride (CAS 1361115-20-9)
- 4-Phenyl-5-[3-(trifluoromethyl)benzenesulfonyl]-1,2,3-thiadiazole (CAS 338398-39-3)
- Resmetirom impurity 86 (CAS CATO-C4X-291286)
- 6-Bromo-3-chloro-8-trifluoromethyl-imidazo[1,2-a]pyridine-2-carboxylic acid methyl ester (CAS 1121058-30-7)
- 2,4-Difluoro-5-(trifluoromethyl)benzaldehyde (CAS 134099-31-3)
- (9R)-9-Amino-6’-methoxycinchonane (CAS 287979-82-2)
- Diacerein Impurity 27 (CAS CATO-C4X-108127)
- 5-Benzyl-4-ethoxypyrimidine (CAS 185053-48-9)
- Fragment-[3-31]-Semaglutide (CAS CATO-C4X-2226113)
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