1-(2-(P-tolyloxy)ethyl)-1H-indole-3-carbaldehyde CAS 333412-99-0
| CAS No. | 333412-99-0 |
| Molecular Formula | C18H17NO2 |
| Molecular Weight | 279.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-(2-(P-tolyloxy)ethyl)-1H-indole-3-carbaldehyde (C18H17NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 279.33 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).
1-(2-(P-tolyloxy)ethyl)-1H-indole-3-carbaldehyde (CAS 333412-99-0), molecular formula C18H17NO2 and molecular weight 279.33 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.
As a certified reference material (CRM), 1-(2-(P-tolyloxy)ethyl)-1H-indole-3-carbaldehyde 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 | C18H17NO2 |
| Molecular Weight | 279.33 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related P Standards
- (2-(p-Tolyloxy)acetyl)leucine (CAS 82157-54-8)
- 1-(2-(O-tolyloxy)ethyl)-1H-indole-3-carbaldehyde (CAS 299935-67-4)
- 2-(p-Tolyloxy)quinoline-3-carboxylic acid (CAS 88284-18-8)
- 2-((5-((O-tolyloxy)methyl)-1,3,4-oxadiazol-2-yl)thio)acetic acid (CAS 74228-71-0)
- 1-(2-(M-tolyloxy)ethyl)-1H-benzo[d]imidazole-2-carbaldehyde (CAS 889951-23-9)
- 1-(2-(P-tolyloxy)ethyl)-1H-benzo[d]imidazole-2-carbaldehyde (CAS 889951-28-4)
- (1-(2-(P-tolyloxy)ethyl)-1H-benzo[d]imidazol-2-yl)methanol (CAS 313067-45-7)
- 2-(o-Tolyloxy)-4H-benzo[d][1,3,2]dioxaphosphinine 2-oxide (CAS 1222-87-3)
Recommended Standards
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- 1-(3,4-Dimethoxybenzyl)piperidine-3-carboxylic acid (CAS 896046-80-3)
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- 5,6-Diamino-1-isopropylpyrimidine-2,4(1H,3H)-dione (CAS 113885-21-5)
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- (S)-3-(4-(trifluoromethoxy)phenoxy)pyrrolidine (CAS 1353754-92-3)
- (3,5-Dimethylcyclohexyl)hydrazine (CAS 1260815-62-0)
- UDP-D-xylose (CAS 3616-06-6)
- 4-Chloro-2,6-dihydrazinylpyrimidine (CAS 6972-15-2)
- (S)-2-(((1-Benzylpyrrolidin-2-yl)methyl)(isopropyl)amino)acetic acid (CAS 1354007-33-2)
- 5-Bromothiazol-2(3H)-iminehydrochloride (CAS 133692-18-9)
- 2-Chloro-1-(3-chloro-2-methylphenyl)-2,2-difluoroethan-1-one (CAS 1352222-04-8)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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