1-Methyl-5-nitro-1h-indole-3-carboxaldehyde CAS 3558-10-9
| CAS No. | 3558-10-9 |
| Molecular Formula | C10H8N2O3 |
| Molecular Weight | 204.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-Methyl-5-nitro-1h-indole-3-carboxaldehyde 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.
1-Methyl-5-nitro-1h-indole-3-carboxaldehyde (CAS 3558-10-9), molecular formula C10H8N2O3 and molecular weight 204.18 g/mol, is a CATO reference standard with documented purity and traceability.
1-Methyl-5-nitro-1h-indole-3-carboxaldehyde (C10H8N2O3) contains an amino-acid-derived structure, 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.
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 | C10H8N2O3 |
| Molecular Weight | 204.18 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 1-Methyl-4-nitro-1H-indole-3-carbaldehyde (CAS 36728-90-2)
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- 1-Methyl-3-nitroquinolin-4(1H)-one (CAS 24220-95-9)
- 1-Methyl-6-nitroquinolin-2(1H)-one (CAS 29969-52-6)
- tert-Butyl (2-(2-(2-iodoethoxy)ethoxy)ethyl)carbamate (CAS 1820026-89-8)
- 2-(7-(2H-Naphtho[1,2-d][1,2,3]triazol-2-yl)quinolin-3-yl)benzo[d]oxazole (CAS 64887-44-1)
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- 2-(3-Phenylisoxazol-5-yl)phenol (CAS 67139-38-2)
- N1-((2,3-dihydro-1H-inden-5-yl)methyl)-N1-methylethane-1,2-diamine (CAS 1342771-18-9)
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