1-(Prop-2-yn-1-yl)indolin-2-one CAS 37994-11-9
| CAS No. | 37994-11-9 |
| Molecular Formula | C11H9NO |
| Molecular Weight | 171.20 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-(Prop-2-yn-1-yl)indolin-2-one (CAS 37994-11-9) is a high-purity analytical reference standard with the molecular formula C11H9NO and a molecular weight of 171.20 g/mol.
Based on its molecular formula C11H9NO, 1-(Prop-2-yn-1-yl)indolin-2-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 171.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 1-(Prop-2-yn-1-yl)indolin-2-one 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 | C11H9NO |
| Molecular Weight | 171.20 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 1,2-Dimethyl-1H-benzo[d]imidazole-5-carbonitrile (CAS 80073-14-9)
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- 1134333-99-5 4-(Hydroxymethyl)-5-methyl-1,2-oxazole-3-carboxylic acid DTXSID90673666 (CAS 1134333-99-5)
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- 1-(3-Amino-4,5-dimethoxyphenyl)propan-1-one (CAS 1499708-06-3)
- Butyl 4-(((4-chlorophenyl)sulfonyl)oxy)benzoate (CAS 331462-14-7)
- 2-(7-(Diethylamino)-2-oxo-2H-chromen-3-yl)quinazolin-4(3H)-one (CAS 28754-28-1)
- Ethyl 6-chloro-4-ethoxypyridine-3-carboxylate (CAS 1171502-57-0)
- Methyl (2E)-4-(4-Iodophenyl)-4-oxobut-2-enoate (CAS 32250-59-2)
- Tirzepatide Impurity 21 X TFA Salt (CAS CATO-C4X-324021)
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