1-Methyl-2-oxoindoline-6-carboxylic Acid CAS 138328-27-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138328-27-5 |
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methyl-2-oxoindoline-6-carboxylic Acid (CAS 138328-27-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9NO3. Molecular weight: 191.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 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, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 7-Methyl-2-oxoindoline-5-carboxylic acid (CAS 167627-04-5)
- 1-Methyl-2-oxoindoline-7-carboxylic acid (CAS 933698-51-2)
- 2-Oxoindoline-5-carbonyl chloride (CAS 1417709-94-4)
- 1-Acetyl-2-oxoindoline-6-carbonitrile (CAS 651747-73-8)
- 2-Oxoindoline-5-carboxylic Acid (CAS 102359-00-2)
- 2-Oxoindoline-4-carboxylic Acid (CAS 90322-37-5)
- 2-Oxoindoline-7-carboxylic Acid (CAS 25369-43-1)
- 3-Oxoindoline-2-carboxylic acid (CAS 708-38-3)
Recommended Standards
- Ethyl furo[3,2-c]pyridine-2-carboxylate (CAS 138173-84-9)
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- ethyl furo[2,3-c]pyridine-2-carboxylate (CAS 138173-83-8)
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