2,4-Dichloro-9H-pyrimido[4,5-b]indole CAS 74894-26-1
| CAS No. | 74894-26-1 |
| Molecular Formula | C10H5Cl2N3 |
| Molecular Weight | 238.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 238.07 g/mol gives 2,4-Dichloro-9H-pyrimido[4,5-b]indole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,4-Dichloro-9H-pyrimido[4,5-b]indole (CAS 74894-26-1), molecular formula C10H5Cl2N3 and molecular weight 238.07 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,4-Dichloro-9H-pyrimido[4,5-b]indole (C10H5Cl2N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 238.07 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,4-Dichloro-9H-pyrimido[4,5-b]indole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H5Cl2N3 |
| Molecular Weight | 238.07 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
- 2,4-Dichloro-7H-pyrrolo[2,3-h]quinazoline (CAS 1186401-17-1)
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