7-Chloro-5-methyl-2,3-dihydro-1h-indole-2,3-dione CAS 155184-80-8
| CAS No. | 155184-80-8 |
| Molecular Formula | C9H6ClNO2 |
| Molecular Weight | 195.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-Chloro-5-methyl-2,3-dihydro-1h-indole-2,3-dione.
7-Chloro-5-methyl-2,3-dihydro-1h-indole-2,3-dione (CAS 155184-80-8) is a high-purity analytical reference standard with the molecular formula C9H6ClNO2 and a molecular weight of 195.60 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 7-Chloro-5-methyl-2,3-dihydro-1h-indole-2,3-dione is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 195.60 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 7-Chloro-5-methyl-2,3-dihydro-1h-indole-2,3-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 | C9H6ClNO2 |
| Molecular Weight | 195.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 6-Chloro-5-hydroxyquinolin-2(1H)-one (CAS 1016316-23-6)
- 7-Chloro-1H-indole-6-carboxylic acid (CAS 1055320-72-3)
- 5-Chloro-2-(oxazol-2-yl)phenol (CAS 1070796-25-6)
- 5-Chloro-6-methylindoline-2,3-dione (CAS 107583-35-7)
- 5-Chloro-2-(isoxazol-5-yl)phenol (CAS 107825-97-8)
- 5-Acetyl-2-chloro-4-hydroxybenzonitrile (CAS 115651-31-5)
- 2-Chloro-3-(cyanomethyl)benzoic acid (CAS 1179338-45-4)
- 7-Chloro-2-indolizinecarboxylic acid (CAS 1206974-14-2)
Recommended Standards
- 1-(6-Chlorobenzo[d]oxazol-2-yl)ethanone (CAS 1519913-88-2)
- 5-Chloro-2-indolizinecarboxylic acid (CAS 1620570-06-0)
- 3-Chloro-4-hydroxyquinolin-2(1H)-one (CAS 14933-25-6)
- 6-Chloro-1H-indole-2-carboxylic acid (CAS 16732-75-5)
- 1,4-Diazepane-1-carbaldehyde (CAS 29053-62-1)
- 7-Methoxyisoflavone (CAS 1621-56-3)
- Methyl 3,4-dibromo-2-fluorobenzoate (CAS 1807032-90-1)
- 4-Hydroxy-6-oxo-5,6-dihydropyridazine-3-carboxylic Acid (CAS 1823277-97-9)
- (+)-Pinoresinol (CAS 487-36-5)
- Methyl 3-bromo-5-methoxybenzoate (CAS 56709-70-7)
- Boc-Pro-OSu (CAS 3392-10-7)
- 1-Acetyl-1,6-dihydropyridin-3(2H)-one (CAS 94923-13-4)
- 1-(((3-Fluoro-4-methylphenyl)amino)methyl)cyclopentan-1-ol (CAS 1493365-43-7)
- Peptide Impurity 24 (CAS CATO-CPTD788824)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com