3-Hydroxy-N-(naphthalen-2-yl)-2-naphthamide CAS 135-64-8
| CAS No. | 135-64-8 |
| Molecular Formula | C21H15NO2 |
| Molecular Weight | 313.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-N-(naphthalen-2-yl)-2-naphthamide (CAS 135-64-8), molecular formula C21H15NO2 and molecular weight 313.35 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Hydroxy-N-(naphthalen-2-yl)-2-naphthamide (C21H15NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 313.35 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Hydroxy-N-(naphthalen-2-yl)-2-naphthamide 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 | C21H15NO2 |
| Molecular Weight | 313.35 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 3-Hydroxy-N-(naphthalen-1-yl)-2-naphthamide (CAS 132-68-3)
- (2-Hydroxy-4-morpholinophenyl)(4-methoxyphenyl)methanone (CAS 404010-32-8)
- 2-Hydroxy-N-(naphthalen-1-yl)-1-naphthamide (CAS 94878-43-0)
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Recommended Standards
- 4-(((Benzyloxy)carbonyl)(phenyl)amino)butanoic acid (CAS 1341487-62-4)
- 2-[[(4-Aminophenyl)sulfonyl]amino]-4-thiazoleacetic acid (CAS 135285-81-3)
- 3-(((Benzyloxy)carbonyl)(o-tolyl)amino)propanoic acid (CAS 1340357-73-4)
- 3-(Dimethylamino)-1-(6-(3-methoxyphenyl)-7,7a-dihydroimidazo[2,1-b]oxazol-5-yl)prop-2-en-1-one (CAS 1353119-28-4)
- 2-(5-Methylimidazo[1,2-a]pyridin-2-yl)ethan-1-amine (CAS 933756-37-7)
- 1-(3-Chloropyridin-4-yl)cyclopropan-1-amine hydrochloride (CAS 2149601-46-5)
- 3,7,9-Trimethylbenzo[g]isoquinoline (CAS 64142-61-6)
- Flunarizine Impurity 9 (CAS 87179-40-6)
- 1-(Furan-2-yl)-N-(2,3,4-trimethoxybenzyl)methanamine (CAS 510723-72-5)
- 2-[(3-Chlorobenzyl)thio]-4,5-dihydro-1H-imidazole hydrochloride (CAS 258347-64-7)
- 2,2-Dimethyl-3-phenylpropanamide (CAS 101518-61-0)
- (R)-2-(Pyrrolidin-3-yl)propan-2-ol hydrochloride (CAS 2203403-97-6)
- 5-methyl-2-(piperidin-3-yl)-1H-1,3-benzodiazole dihydrochloride (CAS 1235440-11-5)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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