2-[(1H-Indol-3-yl)methylidene]-5,5-dimethylcyclohexane-1,3-dione CAS 40302-35-0
| CAS No. | 40302-35-0 |
| Molecular Formula | C17H17NO2 |
| Molecular Weight | 267.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-[(1H-Indol-3-yl)methylidene]-5,5-dimethylcyclohexane-1,3-dione 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.
2-[(1H-Indol-3-yl)methylidene]-5,5-dimethylcyclohexane-1,3-dione (CAS 40302-35-0), molecular formula C17H17NO2 and molecular weight 267.32 g/mol, is a CATO reference standard with documented purity and traceability.
2-[(1H-Indol-3-yl)methylidene]-5,5-dimethylcyclohexane-1,3-dione (C17H17NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-[(1H-Indol-3-yl)methylidene]-5,5-dimethylcyclohexane-1,3-dione 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 | C17H17NO2 |
| Molecular Weight | 267.32 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
Related H Standards
- 1-(2-(1H-indol-3-yl)ethyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde (CAS 119636-71-4)
- 2-(1H-indol-3-yl)-2-(2-methoxyphenyl)ethan-1-amine (CAS 881043-70-5)
- 2-(1H-Indol-3-yl)-2-(4-methoxyphenyl)ethanamine (CAS 203394-30-3)
- 2-{[2-(1H-Indol-3-yl)-ethylamino]-methyl}-phenol (CAS 202198-92-3)
- 2-((1H-Indol-3-yl)methyl)-2-acetyl-4-oxopentanenitrile (CAS 131920-07-5)
- 3-(1H-Indol-2-yl)-N-isopropyl-1H-pyrazole-4-carboxamide (CAS 827318-51-4)
- 3-(1H-Indol-2-yl)-N-propyl-1H-pyrazole-4-carboxamide (CAS 827318-50-3)
- 1-(1H-Indol-3-yl)-3-(4-methylpyridin-2-yl)urea (CAS 899753-49-2)
Recommended Standards
- 2,3-Bis(4-methoxyphenyl)propanenitrile (CAS 72035-46-2)
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- 2-(6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)propane-1,3-diol (CAS 98661-42-8)
- 2-Benzyl-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid (CAS 54329-48-5)
- 3,7-Dimethyloct-7-en-1-yl propionate (CAS 105-89-5)
- 3-Iodo-5-nitrobenzonitrile (CAS 49674-30-8)
- 6-Amino-5-fluorobenzo[c][1,2]oxaborol-1(3H)-ol (CAS 943311-50-0)
- Potassium 3-phenylpropiolate (CAS 63704-44-9)
- 3-(5-Nitrofuran-2-yl)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 56703-66-3)
- Methyl 2,2-dimethylspiro[chromane-4,1'-cyclopropane]-6-carboxylate (CAS 1350761-55-5)
- 2-(Dimethylamino)imidazo[1,2-a]pyridine-3-carbaldehyde (CAS 1153323-38-6)
- N-methyl-1-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)methanamine (CAS 915921-76-5)
- 1-Benzyl-4,4-difluoropiperidine (CAS 155137-18-1)
- Insulin Degludec Impurity 19 (CAS CATO-C4X-215719)
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