7-Methyl-1-(2-oxopropyl)indoline-2,3-dione CAS 79552-55-9
| CAS No. | 79552-55-9 |
| Molecular Formula | C12H11NO3 |
| Molecular Weight | 217.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 7-Methyl-1-(2-oxopropyl)indoline-2,3-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 217.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
7-Methyl-1-(2-oxopropyl)indoline-2,3-dione (CAS 79552-55-9) is a high-purity analytical reference standard with the molecular formula C12H11NO3 and a molecular weight of 217.22 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 7-Methyl-1-(2-oxopropyl)indoline-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 | C12H11NO3 |
| Molecular Weight | 217.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 2-(1-Methyl-2-oxopropyl)-1H-isoindole-1,3-(2H)-dione (CAS 2028-33-3)
- 5-Methyl-1-(2-oxopropyl)indoline-2,3-dione (CAS 79552-54-8)
- 4-(2-Oxopropyl)-1,5-dihydro-2H-benzo[b][1,4]diazepin-2-one (CAS 669724-40-7)
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- 2-Methyl-1-(2-oxopropyl)quinolin-4(1H)-one (CAS 1208938-25-3)
- 8-Methyl-1-(2-oxopropyl)quinolin-4(1H)-one (CAS 1210408-83-5)
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- 1-(2-oxopropyl)-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione (CAS 57384-79-9)
Recommended Standards
- 7-Methoxy-2-methylquinoline-3-carboxylic acid (CAS 470702-34-2)
- 7-Nitro-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 642412-39-3)
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- 8-(Nitromethyl)-1,4-dioxaspiro[4.5]decan-8-ol (CAS 879514-21-3)
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Why CATO?
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