7,8-Dichloro-9-methyl-2,9-dihydro-1H-pyrido[3,4-b]indol-1-one CAS 156312-11-7
| CAS No. | 156312-11-7 |
| Molecular Formula | C12H8Cl2N2O |
| Molecular Weight | 267.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H8Cl2N2O, 7,8-Dichloro-9-methyl-2,9-dihydro-1H-pyrido[3,4-b]indol-1-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 267.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
7,8-Dichloro-9-methyl-2,9-dihydro-1H-pyrido[3,4-b]indol-1-one (CAS 156312-11-7) is a high-purity analytical reference standard with the molecular formula C12H8Cl2N2O and a molecular weight of 267.11 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7,8-Dichloro-9-methyl-2,9-dihydro-1H-pyrido[3,4-b]indol-1-one 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 | C12H8Cl2N2O |
| Molecular Weight | 267.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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