2,4-dichloro-5-(2-chloroethyl)-6-methylpyrimidine CAS 89793-69-1
| CAS No. | 89793-69-1 |
| Molecular Formula | C7H7Cl3N2 |
| Molecular Weight | 225.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 225.50 g/mol gives 2,4-dichloro-5-(2-chloroethyl)-6-methylpyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,4-dichloro-5-(2-chloroethyl)-6-methylpyrimidine (CAS 89793-69-1), molecular formula C7H7Cl3N2 and molecular weight 225.50 g/mol, is a CATO reference standard with documented purity and traceability.
2,4-dichloro-5-(2-chloroethyl)-6-methylpyrimidine (C7H7Cl3N2) 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C7H7Cl3N2 |
| Molecular Weight | 225.50 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.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 4-(Cyclopropylmethoxy)-3,5-dimethylbenzaldehyde (CAS 883524-60-5)
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- 2-Azabicyclo[3.1.0]hexane-1-carboxylic acid (CAS 132806-36-1)
- N,O-Isopropylidene Larotaxel (CAS 168120-68-1)
- 3-(4-Fluorophenyl)butan-1-ol (CAS 1017962-34-3)
- 4-Nitrophenethyl indolizine-6-carboxylate (CAS 59195-34-5)
- 1-Cyclopropyl-N-methylethanamine hydrochloride (CAS 1094614-73-9)
- [His]1+12-Semaglutide (CAS CATO-C4X-2226178)
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