5-Cyclopropyl-1H-Indole CAS 893739-92-9
| CAS No. | 893739-92-9 |
| Molecular Formula | C11H11N |
| Molecular Weight | 157.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Cyclopropyl-1H-Indole (CAS 893739-92-9) is a high-purity analytical reference standard with the molecular formula C11H11N and a molecular weight of 157.21 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 5-Cyclopropyl-1H-Indole is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 157.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
As a certified reference material (CRM), 5-Cyclopropyl-1H-Indole 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 | C11H11N |
| Molecular Weight | 157.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Cyclopropyl Standards
- Cyclopropyl(1,4-dioxan-2-yl)methanamine (CAS 1495075-33-6)
- 2-Cyclopropyl-5-methylbenzonitrile (CAS 1616267-12-9)
- 1-Cyclopropyl-1H-indole (CAS 890534-65-3)
- 2-Cyclopropyl-1H-indole (CAS 40748-44-5)
- 2-cyclopropyl-2-phenylacetonitrile (CAS 61066-89-5)
- 7-Cyclopropyl-1H-indole (CAS 200714-71-2)
- Ethyl 2-(cyclopropyl(methyl)amino)acetate (CAS 447423-35-0)
- 4-Cyclopropyl-5-mercapto-4h-1,2,4-triazol-3-ol (CAS 136794-23-5)
Recommended Standards
- 5-Butoxy-3-methyl-4,5-dihydroisoxazole (CAS 57066-00-9)
- 5-Ethenyl-2-methyl-1h-indole (CAS 85654-52-0)
- 5-Amino-4-fluoro-2-methylbenzenethiol (CAS 885028-69-3)
- 5-Ethyl-4-propylisoxazolidin-3-one (CAS 90124-73-5)
- 4-Chloro-3-cyclopropoxybenzoic acid (CAS 1243349-25-8)
- 1-(2-Chloroethyl)-1H-indole (CAS 23060-72-2)
- 2-[1-Cyano-2-(2,4-dichlorophenyl)vinyl]-5,7-dimethylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 338977-22-3)
- 5-Phenyl-pyrrolidine-3-carboxylic acid ethyl ester hydrochloride (CAS 2097068-63-6)
- 3-fluorooxane-3-carboxylic acid (CAS 1547757-32-3)
- Posaconazole Impurity 87 (CAS 1230634-17-9)
- (3-Amino-4-hydroxyphenyl)methanesulfonamide (CAS 1093758-98-5)
- 4-Amino-N-(cyclopropylmethyl)-3-nitrobenzamide (CAS 1030740-96-5)
- 5-Amino-1-cyclopropyl-1H-pyrazole-4-carboxamide (CAS 1184916-42-4)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
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