5-(Tert-butyl)-2-(o-tolyl)-1H-indole-3-carbaldehyde CAS 590346-96-6
| CAS No. | 590346-96-6 |
| Molecular Formula | C20H21NO |
| Molecular Weight | 291.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(Tert-butyl)-2-(o-tolyl)-1H-indole-3-carbaldehyde is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-(Tert-butyl)-2-(o-tolyl)-1H-indole-3-carbaldehyde (CAS 590346-96-6), a certified reference material (molecular formula C20H21NO, MW 291.39 g/mol) for analytical method development and quality control.
Structurally, 5-(Tert-butyl)-2-(o-tolyl)-1H-indole-3-carbaldehyde (C20H21NO) 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 291.39 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 5-(Tert-butyl)-2-(o-tolyl)-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 | C20H21NO |
| Molecular Weight | 291.39 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 | 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.) | 1984 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 5-(4-Cyclohexylphenyl)-2-methylpyrazolo[1,5-a]pyrimidine (CAS 861210-07-3)
- 7-[4-(N,N-Diethylamino)phenyl]-7-oxoheptanoic acid (CAS 951889-32-0)
- 4-Hydroxy-4-o-tolylpiperidine-1-carboxylic acid tert-butyl ester (CAS 553630-96-9)
- 7-Ethoxy-2-(heptan-3-yl)-3-methylimidazo[1,2-a]pyrimidin-5(1H)-one (CAS 681845-80-7)
- 5-Oxo-1h,5h-pyrazolo[1,5-a]quinazoline-3-carboxylic acid (CAS 1181458-88-7)
- 3-Bromoimidazo[1,2-a]pyrimidine-2-carboxamide (CAS 1823958-95-7)
- tert-Butyl 2-[4-(trifluoromethyl)benzyl]hydrazinecarboxylate (CAS 180462-82-2)
- Methyl 2-(4-bromo-2-nitrophenyl)acetate (CAS 100487-82-9)
- N-Methylpropiolamide (CAS 2682-32-8)
- 5-Chloro-4-(4-methoxyphenoxy)pyrimidine (CAS 1823266-89-2)
- 6-Bromo-2-phenylimidazo[1,2-a]pyrimidine (CAS 355398-02-6)
- 3-Methoxy-3-oxo-1-propenyl3,4,5-trimethoxybenzenecarboxylate (CAS 400878-22-0)
- 2'-Fluoro-[1,1'-biphenyl]-4-carbohydrazide (CAS 259269-90-4)
- Delicious Peptide (bovine) (CAS 73984-05-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com