5-Methoxy-2-methylisoindolin-1-one CAS 109803-60-3
| CAS No. | 109803-60-3 |
| Molecular Formula | C10H11NO2 |
| Molecular Weight | 177.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 177.20 g/mol gives 5-Methoxy-2-methylisoindolin-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Methoxy-2-methylisoindolin-1-one (CAS 109803-60-3) is a high-purity analytical reference standard with the molecular formula C10H11NO2 and a molecular weight of 177.20 g/mol.
Based on its molecular formula C10H11NO2, 5-Methoxy-2-methylisoindolin-1-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 177.20 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.
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.
Physical & Chemical Properties
| Molecular Formula | C10H11NO2 |
| Molecular Weight | 177.20 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
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- 6-Methoxy-1-methyl-1H-indol-5-ol (CAS 1028694-86-1)
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- 6-Methoxy-5-methylisoindolin-1-one (CAS 1138220-76-4)
- 5-Methoxy-1-methyl-1H-indazol-3-amine (CAS 1239662-96-4)
Recommended Standards
- 4-Acetyl-2-methylbenzamide (CAS 1095275-06-1)
- Tryptophol Impurity 1 (CAS 110139-35-0)
- 2-(3-Hydroxypropoxy)benzonitrile (CAS 1094453-32-3)
- 2-(5-Amino-2H-indazol-2-yl)ethanol (CAS 1105187-46-9)
- Ethyl[2-methyl-1-(pyridin-3-yl)propyl]amine (CAS 1183098-99-8)
- 3-Azetidinyl isonicotinate (CAS 1219979-55-1)
- 1-((1-(Pyridin-4-yl)ethyl)amino)propan-2-ol (CAS 1155566-57-6)
- Z-Pro-OH (CAS 1148-11-4)
- 1-(4-Fluorophenyl)-2-thiourea 4-fluorophenylthiourea (4-fluorophenyl)thiourea n-(4-fluorophenyl)thiourea 459-05-2 (CAS 459-05-2)
- 4-Fluoro-3-(phenylmethoxy)benzenemethanol (CAS 959251-11-7)
- 5-Bromo-1-cyclopropyl-1H-benzo[d]imidazole (CAS 1368759-44-7)
- 4-((5-Chloro-6-(trifluoromethyl)pyrimidin-4-yl)oxy)aniline hydrochloride (CAS 1823183-07-8)
- tert-Butyl 2-(2-methyl-6-(methylamino)pyridin-3-yl)pyrrolidine-1-carboxylate (CAS 1352516-95-0)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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