5,6-Dichloro-2-methylbenzimidazole CAS 6478-79-1
| CAS No. | 6478-79-1 |
| Molecular Formula | C8H6Cl2N2 |
| Molecular Weight | 201.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 201.05 g/mol gives 5,6-Dichloro-2-methylbenzimidazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5,6-Dichloro-2-methylbenzimidazole (CAS 6478-79-1), molecular formula C8H6Cl2N2 and molecular weight 201.05 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5,6-Dichloro-2-methylbenzimidazole (C8H6Cl2N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 201.05 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 5,6-Dichloro-2-methylbenzimidazole 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 | C8H6Cl2N2 |
| Molecular Weight | 201.05 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichloro Standards
- 3,5-Dichloro-6-methyl-2H-indazole (CAS 1207175-10-7)
- 6,8-Dichloro-2-methylimidazo[1,2-a]pyridine (CAS 121082-25-5)
- 4,6-Dichloro-2-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1352394-46-7)
- 2,5-Dichloro-1-methyl-1H-benzimidazole (CAS 15965-64-7)
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- 4,6-Dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1638771-16-0)
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Recommended Standards
- 5,6-Dichloro-2,3-dihydro-1H-inden-1-one (CAS 68755-31-7)
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- 4,7-Dichloro-2,3-dihydro-1H-inden-1-one (CAS 52977-63-6)
- 5,7-Dichloro-2-methylbenzofuran (CAS 42969-85-7)
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- 2-cyclohexyl-1,3-dioxoisoindoline-5-carboxylic acid (CAS 67822-74-6)
- 5,7-Dimethoxy-1H-indole-2-carboxylic acid (CAS 27508-88-9)
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- Methyl 3-amino-3-(naphthalen-1-yl)propanoate (CAS 188812-33-1)
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