3,3-Dimethylindoline-2-carboxylic acid CAS 140397-33-7
| CAS No. | 140397-33-7 |
| Molecular Formula | C11H13NO2 |
| Molecular Weight | 191.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 191.23 g/mol gives 3,3-Dimethylindoline-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3,3-Dimethylindoline-2-carboxylic acid (CAS 140397-33-7), a certified reference material (molecular formula C11H13NO2, MW 191.23 g/mol) for analytical method development and quality control.
Structurally, 3,3-Dimethylindoline-2-carboxylic acid (C11H13NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 191.23 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 3,3-Dimethylindoline-2-carboxylic acid 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 | C11H13NO2 |
| Molecular Weight | 191.23 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
Related Dimethylindoline Standards
- 3,3-Dimethylindoline-2-carboxamide (CAS 106517-54-8)
- 1-Ethyl-4,6-dimethylindoline-2,3-dione (CAS 591252-78-7)
- 1,4-Dimethylindoline-2-thione (CAS 156136-53-7)
- 1,6-Dimethylindoline-2-thione (CAS 156136-67-3)
- 1,7-Dimethylindoline-2-thione (CAS 156136-68-4)
- 3,3-Dimethylindoline-2-thione (CAS 19155-25-0)
- Methyl 3,3-dimethylindoline-2-carboxylate (CAS 1008267-29-5)
- 1,2-Dimethylindoline-5-carbaldehyde (CAS 887690-37-1)
Recommended Standards
- 1-Methyl-N-((2-methylfuran-3-yl)methyl)-1H-pyrazol-4-amine (CAS 1403565-21-8)
- 1-Methylisoquinolin-6-ol (CAS 140683-35-8)
- 1-(5-Methylpyrazin-2-yl)piperidin-4-one (CAS 1400706-83-3)
- 2-tert-Butyl-4H,5H-pyrazolo[1,5-a]pyrimidin-5-one (CAS 140705-38-0)
- 2-(tert-Butyl)-6-chloro-3-cyclopropoxypyridine (CAS 1243445-33-1)
- Dimorpholino(phenyl)phosphine selenide (CAS 68580-22-3)
- 2-Chloro-4-(morpholinosulfonyl)phenol (CAS 162711-35-5)
- 2-(4-Fluorobenzyl)-5,6-dihydrobenzo[h]cinnolin-3(2H)-one (CAS 478042-29-4)
- Potassium (2-(ethoxycarbonyl)phenyl)trifluoroborate (CAS 850623-73-3)
- Tetrachlorophthalic Anhydride (CAS 117-08-8)
- Esmolol Impurity 55 (CAS 33947-97-6)
- 6-(2,4-Dichlorophenyl)pyridin-2-ol (CAS 180606-05-7)
- 2-(2-Ethoxy-phenyl)-1-methyl-ethylaminehydrochloride (CAS 135048-83-8)
- Semaglutide Impurity 137 (x TFA Salt) (CAS CATO-C4X-2226137)
Why CATO?
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