2-methyl-1-oxo-9H-pyrido[3,4-b]indole-4-carboxylic acid CAS 67115-06-4
| CAS No. | 67115-06-4 |
| Molecular Formula | C13H10N2O3 |
| Molecular Weight | 242.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-methyl-1-oxo-9H-pyrido[3,4-b]indole-4-carboxylic 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-methyl-1-oxo-9H-pyrido[3,4-b]indole-4-carboxylic acid (CAS 67115-06-4), molecular formula C13H10N2O3 and molecular weight 242.23 g/mol, is a CATO reference standard with documented purity and traceability.
2-methyl-1-oxo-9H-pyrido[3,4-b]indole-4-carboxylic acid (C13H10N2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C13H10N2O3 |
| Molecular Weight | 242.23 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-Hydroxy-2-(2,4,6-trimethoxyphenyl)acetic acid (CAS 644990-10-3)
- 2-methyl-4-oxo-5H-pyrrolo[1,2-a]quinoxaline-8-carboxylic acid (CAS 2768550-23-6)
- 2-Hydroxy-2-(2,3,4-trimethoxyphenyl)acetic acid (CAS 838902-26-4)
- 2-Nitro-N-phenylbenzamide (CAS 2385-27-5)
- Methyl 3-{[(tert-butoxy)carbonyl]amino}cyclobutane-1-carboxylate (CAS 1234616-81-9)
- Methyl 3-amino-4-(3-chlorophenyl)thiophene-2-carboxylate (CAS 1325306-18-0)
- 3-Benzyl-5-ethoxy-1H-1,2,4-triazole (CAS 82784-47-2)
- n,n-dImethyl-n′-2-pyridinylsulfamide (CAS 54767-77-0)
- 5-Bromoindole-3-carboxaldehyde 5-bromo-1h-indole-3-carbaldehyde 5-bromo-3-formylindole 5-bromoindole-3-carboxyaldehyde 5-bromoindole-3-aldehyde 5-bromo-3-formyl-1h-indole 5-bromoindole-3-carbaldehyde 5-Bromo-1H-indole-3-carboxaldehyde 877-03-2 (CAS 877-03-2)
- n-(1-Acetylpiperidin-4-yl)-5-bromofuran-2-carboxamide (CAS 1211777-55-7)
- 1-(Aminomethyl)-2,2-dimethylcyclopropanecarboxylic acid (CAS 724772-93-4)
- 2-Amino-1-(2-ethoxyphenyl)-4,5-dimethyl-1H-pyrrole-3-carbonitrile (CAS 1097036-58-2)
- 1-(3-Chloro-4-methylphenyl)piperidin-4-one (CAS 938459-09-7)
- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com