2-((2-Methylbenzyl)oxy)-1-naphthaldehyde CAS 938308-55-5
| CAS No. | 938308-55-5 |
| Molecular Formula | C19H16O2 |
| Molecular Weight | 276.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((2-Methylbenzyl)oxy)-1-naphthaldehyde (CAS 938308-55-5), molecular formula C19H16O2 and molecular weight 276.33 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-((2-Methylbenzyl)oxy)-1-naphthaldehyde (C19H16O2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 276.33 g/mol, it falls into the medium-molecular-weight range. 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-((2-Methylbenzyl)oxy)-1-naphthaldehyde meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H16O2 |
| Molecular Weight | 276.33 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.) | 1987 |
Related Methylbenzyl Standards
- 2-((3-Methylbenzyl)oxy)-1-naphthaldehyde (CAS 662159-46-8)
- [4-(4-Methylbenzyl)-2,3-dioxopiperazin-1-yl]acetic acid (CAS 1031582-17-8)
- [4-(2-Methylbenzyl)-2,3-dioxopiperazin-1-yl]acetic acid (CAS 951523-96-9)
- 2-(4-(3-Methylbenzyl)-2,3-dioxopiperazin-1-yl)acetic acid (CAS 951490-86-1)
- (1-(4-Methylbenzyl)-2-(propylthio)-1H-imidazol-5-yl)methanol (CAS 899955-69-2)
- 1-(4-Methylbenzyl)-4-nitro-1h-pyrazole-3-carbohydrazide (CAS 514800-86-3)
- 2-(3-(4-Methylbenzyl)-2,4,5-trioxoimidazolidin-1-yl)acetamide (CAS 303986-63-2)
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- 4-Bromo-3,3-difluorotetrahydrofuran (CAS 2436599-25-4)
- tert-Butyl 2-(N-(tert-butoxycarbonyl)carbamimidoyl)pyrrolidine-1-carboxylate (CAS 1624260-99-6)
- 4-Bromo-2-hydroxy-6-methylpyrimidine (CAS 1806983-00-5)
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- Semaglutide impurity 43 (CAS CATO-C4X-222643)
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