N-(Naphthalen-1-yl)benzamide CAS 634-42-4
| CAS No. | 634-42-4 |
| Molecular Formula | C21H21N3O7 |
| Molecular Weight | 427.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C21H21N3O7, N-(Naphthalen-1-yl)benzamide contains a flavonoid 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 427.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
N-(Naphthalen-1-yl)benzamide (CAS 634-42-4), molecular formula C21H21N3O7 and molecular weight 427.41 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H21N3O7 |
| Molecular Weight | 427.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related N Standards
- Tri(naphthalen-1-yl)silanol (CAS 18919-22-7)
- 4-[(2Z)-3-(Naphthalen-1-yl)prop-2-enoyl]phenyl decanoate (CAS 306731-92-0)
- 2-{[3-(naphthalen-2-yl)-1-phenyl-1H-pyrazol-4-yl]methyl}-2,3-dihydro-1H-isoindole-1,3-dione (CAS 955963-18-5)
- 4-[(Z)-[(Naphthalen-1-yl)methylidene]amino]phenyl 2,4,6-trimethylbenzene-1-sulfonate (CAS 329777-86-8)
- 1-(Naphthalen-2-yl)-2-(triphenylphosphoranylidene)ethanone (CAS 1777-59-9)
- (10-(4-(Naphthalen-2-yl)phenyl)anthracen-9-yl)boronic acid (CAS 853945-48-9)
- [10-[4-(Naphthalen-1-yl)phenyl]anthracen-9-yl]boronic Acid (contains varying amounts of Anhydride) (CAS 853945-50-3)
- 9,10-Di(naphthalen-2-yl)anthracene (CAS 122648-99-1)
Recommended Standards
- Cacotheline Monohydrate (CAS 561-20-6)
- Pomalidomide-CO-PEG2-propargyl (CAS 2243000-25-9)
- 7-Nitro-2-(2-(4-(4-nitrophenyl)piperazin-1-yl)ethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 866137-64-6)
- Pemetrexed Impurity 13 (CAS CATO-C4X-172613)
- 2-Amino-6-(butylamino)pyrimidin-4(3H)-one (CAS 60462-37-5)
- [(aminocarbonyl)amino](phenyl)acetic acid (CAS 5616-20-6)
- 2-[(4-aminophenyl)methyl]-1,3-thiazole-4-carboxylic acid (CAS 1225967-38-3)
- 1,3-Bis(2-ethylhexyl)-5,7-di(thiophen-2-yl)benzo[1,2-c:4,5-c']dithiophene-4,8-dione (CAS 1415929-77-9)
- Posaconazole Impurity 29 (CAS CATO-C4X-120829)
- (2E)-3-[4-(pyridin-3-ylmethoxy)phenyl]acrylic acid (CAS 1807941-43-0)
- 3-(3-Boc-Aminophenyl)benzoic acid (CAS 904086-01-7)
- Tolterodine impurity 38 (CAS CATO-C4X-176738)
- 6-Hydroxypyridin-3-ylboronic acid (CAS 903899-13-8)
- Tirzepatide (CAS 2023788-19-2)
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