(3E)-1-Methyl-1H-indole-2,3-dione 3-hydrazone CAS 1613616-40-2
| CAS No. | 1613616-40-2 |
| Molecular Formula | C9H9N3O |
| Molecular Weight | 175.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(3E)-1-Methyl-1H-indole-2,3-dione 3-hydrazone (CAS 1613616-40-2), molecular formula C9H9N3O and molecular weight 175.19 g/mol, is a CATO reference standard with documented purity and traceability.
(3E)-1-Methyl-1H-indole-2,3-dione 3-hydrazone (C9H9N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H9N3O |
| Molecular Weight | 175.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1993 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 2-Ethylpyrido[3,4-d]pyrimidin-4(1H)-one (CAS 161333-96-6)
- n-Methyl-3-phenyl-1,2,4-oxadiazol-5-amine (CAS 16219-33-3)
- 7-Amino-2-methylquinazolin-4(3H)-one (CAS 16081-78-0)
- 1-(1H-Benzo[d][1,2,3]triazol-1-yl)propan-2-one (CAS 16219-51-5)
- Custom Semivolatile Mix 8 (CAS CATO-LCEM500797-AC)
- phenyl N-(3-aminophenyl)carbamate (CAS 68621-59-0)
- 4,7-Dichloro-2,9-diphenyl-1,10-phenanthroline (CAS 1956367-14-8)
- 6-bromo-2-[(E)-2-(4-fluorophenyl)ethenyl]quinoline-4-carboxylic acid (CAS 926254-74-2)
- 1-(4-(3-Fluoropropoxy)phenyl)ethan-1-one (CAS 400878-19-5)
- 6-(Azepan-2-yl)quinoline (CAS 904816-03-1)
- 2-(2-(Trifluoromethyl)phenyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1956334-74-9)
- 4-(4-Chloro-5-methyl-pyrimidin-2-yl)-2-methyl-piperazine-1-carboxylic acid tert-butyl ester (CAS 1261232-48-7)
- 1-Amino-4-bromo-2-nitronaphthalene, 97% (CAS 90767-01-4)
- Heptapeptide-6 (CAS CATO-CPTD788823)
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