1-(2-Propynyl)-1H-indole-2,3-dione 3-[N-(4-chlorophenyl)hydrazone] CAS 320422-37-5
| CAS No. | 320422-37-5 |
| Molecular Formula | C17H12ClN3O |
| Molecular Weight | 309.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(2-Propynyl)-1H-indole-2,3-dione 3-[N-(4-chlorophenyl)hydrazone] is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(2-Propynyl)-1H-indole-2,3-dione 3-[N-(4-chlorophenyl)hydrazone] (CAS 320422-37-5), molecular formula C17H12ClN3O and molecular weight 309.75 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H12ClN3O, 1-(2-Propynyl)-1H-indole-2,3-dione 3-[N-(4-chlorophenyl)hydrazone] contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 309.75 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.
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), 1-(2-Propynyl)-1H-indole-2,3-dione 3-[N-(4-chlorophenyl)hydrazone] 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 | C17H12ClN3O |
| Molecular Weight | 309.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Propynyl Standards
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Recommended Standards
- (3AR,4S,6R,6aS)-6-(4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxol-4-ol (CAS 2086766-07-4)
- 2-(2-Chlorostyryl)quinoline-6-carboxylic acid (CAS 923297-71-6)
- (2-Methoxyphenyl)methyl N-(5-chloro-1,3-dimethyl-1H-pyrazol-4-yl)carbamate (CAS 956262-44-5)
- 2-(3-Chlorostyryl)quinoline-7-carboxylic acid (CAS 874100-33-1)
- Dinosam (CAS 4097-36-3)
- Ethyl 3,4,5,6-tetrachloropicolinate (CAS 32889-72-8)
- 2-(Aminomethyl)-5-chloro-3-(difluoromethyl)pyridine (CAS 1806018-08-5)
- 4-Benzyl-2-(bromomethyl)morpholine (CAS 306935-00-2)
- 1-(4-Chlorophenyl)piperazine (CAS 38212-33-8)
- Tetrahexylammoniumtetrafluoroborate (CAS 15553-50-1)
- 2-Chloro-3-(3,5-dimethylphenyl)-4-fluoropropiophenone (CAS 898780-92-2)
- 3-((5-Methyl-5H-pyrrolo[3,2-d]pyrimidin-4-yl)oxy)benzoic acid (CAS 919278-71-0)
- N-(3,4,5-Trimethoxyphenyl)-7h-pyrrolo[2,3-d]pyrimidin-2-amine (CAS 885702-32-9)
- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
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