1-(2-(Indolin-1-yl)-2-oxoethyl)-2-methyl-1H-indole-3-carbaldehyde CAS 433963-38-3
| CAS No. | 433963-38-3 |
| Molecular Formula | C20H18N2O2 |
| Molecular Weight | 318.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(2-(Indolin-1-yl)-2-oxoethyl)-2-methyl-1H-indole-3-carbaldehyde (CAS 433963-38-3), molecular formula C20H18N2O2 and molecular weight 318.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H18N2O2, 1-(2-(Indolin-1-yl)-2-oxoethyl)-2-methyl-1H-indole-3-carbaldehyde contains a steroid 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 318.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 1-(2-(Indolin-1-yl)-2-oxoethyl)-2-methyl-1H-indole-3-carbaldehyde 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 | C20H18N2O2 |
| Molecular Weight | 318.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- CPhos (CAS 1160556-64-8)
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- 3-[(Allyloxy)methyl]pyrrolidine hydrochloride (CAS 1219949-05-9)
- (R)-1-(3,5-Dichloropyridin-2-yl)ethan-1-amine (CAS 1213560-75-8)
- 6-Chloro-4-((4-methoxyphenyl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylic acid (CAS 866134-61-4)
- (4-Chlorophenyl)(3,5-dichlorophenyl)methanone (CAS 13395-65-8)
- 5-Chloro-2-(2-methoxyethoxy)benzoic acid (CAS 62176-27-6)
- 4-(Benzyloxy)-3-oxobutanenitrile (CAS 118602-96-3)
- D-Gln19-Tirzepatide (CAS CATO-CPTD788915)
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