5-(3-Methylphenyl)-1H-indole-2,3-dione CAS 893735-98-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 893735-98-3 |
| Molecular Formula | C15H11NO2 |
| Molecular Weight | 237.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3-Methylphenyl)-1H-indole-2,3-dione (CAS 893735-98-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H11NO2. Molecular weight: 237.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H11NO2 |
| Molecular Weight | 237.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-(3-Fluorophenyl)-2-methyl-1,3-thiazole-4-carboxylic acid (CAS 483315-67-9)
- 5-(4-Fluorophenyl)-2-methyl-1,3-thiazole-4-carboxylic acid (CAS 433283-22-8)
- 5-(2-Fluorophenyl)-2-methyl-1,3-thiazole-4-carboxylic acid (CAS 522646-43-1)
- (4,4-Difluoro-1,2-dimethylpyrrolidin-2-yl)methanol (CAS 2417920-29-5)
- 6-Methylpyridine-2,3-diamine hydrochloride (CAS 1956367-26-2)
- Ibrutinib Impurity 149 (CAS CATO-C4X-1064149)
- (S)-2-(((1-Benzylpyrrolidin-2-yl)methyl)(isopropyl)amino)ethanol (CAS 1354002-58-6)
- 3-(((3-Methoxypropyl)amino)methyl)phenol (CAS 1042580-02-8)
- Methyl 2-(5-methylfuran-2-yl)benzoate (CAS 159448-56-3)
- Semaglutide impurity 229 (CAS CATO-C4X-2226229)
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