3,5-Dichloro-6-Methylpyrazine-2-Carbonitrile CAS 89284-80-0
| CAS No. | 89284-80-0 |
| Molecular Formula | C6H3Cl2N3 |
| Molecular Weight | 188.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3,5-Dichloro-6-Methylpyrazine-2-Carbonitrile is closely related to a nitrile group, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3,5-Dichloro-6-Methylpyrazine-2-Carbonitrile (CAS 89284-80-0) is a high-purity analytical reference standard with the molecular formula C6H3Cl2N3 and a molecular weight of 188.01 g/mol.
3,5-Dichloro-6-Methylpyrazine-2-Carbonitrile (C6H3Cl2N3) contains a nitrile group, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H3Cl2N3 |
| Molecular Weight | 188.01 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.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
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Recommended Standards
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- 1-(4-Bromo-1-methyl-1H-pyrazol-5-yl)-N-cyclopropylmethanesulfonamide (CAS 1707746-98-2)
- Methyl 3-oxotetrahydro-2H-pyran-4-carboxylate (CAS 1787263-94-8)
- 3-(6-Chloropyridazin-3-yl)benzonitrile (CAS 99708-49-3)
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