3-Chloro-5-(dichloromethyl)-2-methoxypyrazine CAS 73972-63-1
| CAS No. | 73972-63-1 |
| Molecular Formula | C6H5Cl3N2O |
| Molecular Weight | 227.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Chloro-5-(dichloromethyl)-2-methoxypyrazine (CAS 73972-63-1), molecular formula C6H5Cl3N2O and molecular weight 227.48 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Chloro-5-(dichloromethyl)-2-methoxypyrazine (C6H5Cl3N2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 227.48 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 3-Chloro-5-(dichloromethyl)-2-methoxypyrazine 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 | C6H5Cl3N2O |
| Molecular Weight | 227.48 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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- 4-fluoro-5-iodo-pyridin-2-amine (CAS 1708974-12-2)
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- Cyclopentyl(2-(trifluoromethyl)phenyl)methanone (CAS 898791-64-5)
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