4-Bromo-2,6-dichloropyrimidine CAS 98519-66-5
| CAS No. | 98519-66-5 |
| Molecular Formula | C4HBrCl2N2 |
| Molecular Weight | 227.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Bromo-2,6-dichloropyrimidine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
4-Bromo-2,6-dichloropyrimidine (CAS 98519-66-5), molecular formula C4HBrCl2N2 and molecular weight 227.87 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Bromo-2,6-dichloropyrimidine (C4HBrCl2N2) contains a nitrile group, chlorine/bromine substitution. 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 227.87 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C4HBrCl2N2 |
| Molecular Weight | 227.87 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 |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-Bromo-3,6-dichloropyridazine (CAS 10344-42-0)
- 2-Bromo-4,6-dichloropyrimidine (CAS 1399480-88-6)
- 4-Bromo-2,5-dichloropyrimidine (CAS 1401466-33-8)
- 3-Bromo-2,5-dichloropyrazine (CAS 1402672-69-8)
- 2-Bromo-4,5-dichloropyrimidine (CAS 1806851-15-9)
- 5-Bromo-2,3-dichloropyrazine (CAS 1816294-12-8)
- 5-Bromo-4,6-dichloropyrimidine (CAS 68797-61-5)
- 5-Bromo-3,3-difluoropiperidine-2,6-dione (CAS 2767589-86-4)
Recommended Standards
- Macitentan Impurity 19 (CAS 36082-50-5)
- 2,2-Dibromocyclobutan-1-one (CAS 2885-97-4)
- Ilaprazole Impurity 135 (CAS 125131-90-0)
- 1,2-Bis(bromomethyl)cyclopropane (CAS 100516-81-2)
- 5-(2-Bromoacetyl)furan-2-carbonitrile (CAS 133674-72-3)
- 109957-97-3 2-Chloro-1-fluoro-3-(trifluoromethyl)benzene DTXSID50597490 (CAS 109957-97-3)
- 1-methoxypropane-2-sulfonamide (CAS 1248069-02-4)
- 2-(Piperidin-4-yloxy)benzoic acid hydrochloride (CAS 1332531-16-4)
- Lercanidipine Impurity 78 (CAS CATO-C4X-136478)
- 4-(2,8-Dimethylimidazo[1,2-a]pyridin-3-yl)-2-hydrazinylthiazole (CAS 886504-12-7)
- 2-Oxo-1',2',5',6',7',7a'-hexahydrospiro[indoline-3,3'-pyrrolizine]-2'-carboxylic acid (CAS 1265964-44-0)
- 1-(bromomethyl)-3-ethenylbenzene (CAS 91041-76-8)
- 2-(2-(1,3-Dioxolan-2-yl)piperidin-1-yl)ethan-1-ol (CAS 1376044-16-4)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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