2-methylindole-3-acetic acid CAS 1912-43-2
| CAS No. | 1912-43-2 |
| Molecular Formula | C11H19NO2 |
| Molecular Weight | 197.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-methylindole-3-acetic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
2-methylindole-3-acetic acid (CAS 1912-43-2), molecular formula C11H19NO2 and molecular weight 197.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-methylindole-3-acetic acid (C11H19NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 197.27 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.
Physical & Chemical Properties
| Molecular Formula | C11H19NO2 |
| Molecular Weight | 197.27 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related methylindole Standards
- Ethyl 6-Methylindole-3-carboxylate (CAS 100821-48-5)
- Ethyl 4-Methylindole-3-carboxylate (CAS 1214387-63-9)
- Ethyl 4-Methylindole-2-carboxylate (CAS 16732-80-2)
- Methyl 6-Methylindole-3-acetate (CAS 1780817-34-6)
- Methyl 7-Methylindole-3-acetate (CAS 1783785-91-0)
- Ethyl 5-Methylindole-3-carboxylate (CAS 88611-94-3)
- Ethyl 7-Methylindole-3-carboxylate (CAS 773128-82-8)
- Methyl 4-Methylindole-3-acetate (CAS 2097800-49-0)
Recommended Standards
- tert-Butyl 7-azabicyclo[2.2.1]heptane-7-carboxylate (CAS 188624-94-4)
- tert-butyl (1S,4R)-2-azabicyclo[2.2.1]heptane-2-carboxylate (CAS 1932009-15-8)
- 2-Aminodecahydronaphthalene-2-carboxylic acid (CAS 18672-74-7)
- (2R)-2-amino-2-{3-tert-butylbicyclo[1.1.1]pentan-1-yl}acetic acid (CAS 1932128-02-3)
- 4-[1-(phenylsulfanyl)ethyl]aniline hydrochloride (CAS 1384430-01-6)
- (2'-Chloro-[1,1'-biphenyl]-4-yl)methanamine (CAS 767626-02-8)
- 1-(4-aminopiperidin-1-yl)-2-methylpropan-2-ol dihydrochloride (CAS 1421602-24-5)
- Ethyl N-[[(5-chloro-2-pyridinyl)amino]thioxomethyl]carbamate (CAS 78852-50-3)
- (3-(1,3-Dioxolan-2-yl)phenyl)(2,5-dimethylphenyl)methanone (CAS 898779-36-7)
- 1-(1-Methylimidazol-2-yl)ethanol (CAS 41507-36-2)
- 1-Ethyl 3-methyl 2,2-dimethylmalonate (CAS 6065-55-0)
- 2-(Fluoranthen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 863878-53-9)
- Pemigatinib Impurity 9 (CAS 926663-67-4)
- Acetyl tetrapeptide-9(Dermican LS 9837) (CAS 928006-50-2)
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