Methyl 5-methoxy-1H-indole-2-carboxylate CAS 67929-86-6
| CAS No. | 67929-86-6 |
| Molecular Formula | C11H11NO3 |
| Molecular Weight | 205.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 5-methoxy-1H-indole-2-carboxylate (C11H11NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 205.21 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.
CATO supplies Methyl 5-methoxy-1H-indole-2-carboxylate (CAS 67929-86-6), a certified reference material (molecular formula C11H11NO3, MW 205.21 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), Methyl 5-methoxy-1H-indole-2-carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C11H11NO3 |
| Molecular Weight | 205.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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.) | 1976 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- (5-Methoxy-1h-indol-2-yl)acetic acid (CAS 1018591-50-8)
- 2-(6-Methoxy-1H-indol-3-yl)acetic acid (CAS 103986-22-7)
- 5-Methoxy-1H-indol-6-yl acetate (CAS 112919-69-4)
- 6-Methoxy-4-methyl-1H-indole-2-carboxylic acid (CAS 1158787-40-6)
- 5-Methoxy-7-methyl-3-hydrozinyl-2-oxindole (CAS 1167447-04-2)
- 2-(4-Methoxy-1H-indol-1-yl)acetic acid (CAS 1219556-76-9)
- 3-methoxy-4-(5-methyl-1,3,4-oxadiazol-2-yl)aniline (CAS 1239719-68-6)
- 6-Methoxy-2-methyl-1H-indole-3-carboxylic acid (CAS 1260382-52-2)
Recommended Standards
- Methyl 5-hydroxy-2-methyl-1H-indole-3-carboxylate (CAS 28483-35-4)
- Methyl 5-methoxy-1H-indole-6-carboxylate (CAS 735287-30-6)
- Methyl 5-amino-3-methylbenzofuran-2-carboxylate (CAS 768352-18-7)
- Methyl 6-amino-7-cyano-2,3-dihydro-1H-pyrrolizine-5-carboxylate (CAS 304876-72-0)
- 1-[3-(trifluoromethyl)phenyl]-1h,4h,5h,6h-cyclopenta[c]pyrazole-3-carboxylic acid (CAS 926254-24-2)
- (E)-5-chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde O-(6-chloronicotinoyl) oxime (CAS 477709-11-8)
- 2-(1-Chloroethyl)-1-(difluoromethyl)-1H-benzo[d]imidazole (CAS 878217-77-7)
- 4-ANDROSTEN-17β-OL-3, 16-DIONE (CAS 6132-10-1)
- Desthiobiotin-PEG3-NHS ester (CAS 2411681-92-8)
- Afoxolaner Impurity 33 (CAS CATO-C4X-313733)
- 1-Boc-3-bromo-7-azaindole (CAS 226085-17-2)
- 4-Fluoro-3-(trifluoromethoxy)benzaldehyde (CAS 86256-48-6)
- 2-(Chloromethyl)-5-methylbenzoxazole (CAS 41014-44-2)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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