4-Bromo-5-iodo-2-methylpyrimidine CAS 1706464-48-3
| CAS No. | 1706464-48-3 |
| Molecular Formula | C5H4BrIN2 |
| Molecular Weight | 298.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-5-iodo-2-methylpyrimidine (C5H4BrIN2) contains a nitrile group, bromine/iodine substitution. 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.
4-Bromo-5-iodo-2-methylpyrimidine (CAS 1706464-48-3) is a high-purity analytical reference standard with the molecular formula C5H4BrIN2 and a molecular weight of 298.91 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Bromo-5-iodo-2-methylpyrimidine 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.
Physical & Chemical Properties
| Molecular Formula | C5H4BrIN2 |
| Molecular Weight | 298.91 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.) | 1994 |
| Halogen Content | Br/I-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 6-Bromo-4-iodopyridin-3-amine, 97% (CAS 1200130-84-2)
- 5-Bromo-6-iodopyridin-2-amine (CAS 1223748-35-3)
- 3-Bromo-4-iodopyridin-2-amine (CAS 1240620-44-3)
- 6-Bromo-3-iodopyridin-2-amine (CAS 1245643-34-8)
- 5-Bromo-2-iodo-3-methylpyrazine (CAS 1260664-84-3)
- 2-Bromo-5-iodo-3-methylpyrazine (CAS 1260665-21-1)
- 5-Bromo-2-iodo-4-methyl-pyrimidine (CAS 1260859-19-5)
- 2-Bromo-3-iodopyridin-4-amine (CAS 1300750-77-9)
Recommended Standards
- 4-Bromo-5-iodo-6-methylpyrimidine (CAS 1706440-31-4)
- 5-Bromo-4-iodo-2-methylpyrimidine (CAS 1805178-14-6)
- 4-bromo-3-iodopyridin-2-amine (CAS 1805270-41-0)
- 5-Bromo-4-iodopyridin-3-amine (CAS 1805270-42-1)
- 1,4-Bis(5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl)benzene (CAS 61843-05-8)
- methyl 1H-pyrazolo[3,4-c]pyridine-5-carboxylate (CAS 1033772-26-7)
- Ethyl 1-(2-aminoethyl)-5,5-dimethyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylate hydrochloride, 97% (CAS 1433822-65-1)
- N-(3-bromopropyl)ethane-1-sulfonamide (CAS 1094331-66-4)
- (5-Bromo-2-hydroxyphenyl)(phenyl)methanone (CAS 55082-33-2)
- Almotriptan Dimer Impurity (CAS 1330166-13-6)
- 5-Bromophthalazin-1(2H)-one (CAS 1433204-06-8)
- n-(7-Methyloctyl)tetrahydrothiophen-3-amine (CAS 1041555-82-1)
- Methyl 2,3-dioxoindoline-7-carboxylate (CAS 103030-10-0)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
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