2,5-Dibromo-3-iodopyrazine CAS 1447607-44-4
| CAS No. | 1447607-44-4 |
| Molecular Formula | C4HBr2IN2 |
| Molecular Weight | 363.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C4HBr2IN2, 2,5-Dibromo-3-iodopyrazine contains a nitrile group, bromine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 363.78 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2,5-Dibromo-3-iodopyrazine (CAS 1447607-44-4), molecular formula C4HBr2IN2 and molecular weight 363.78 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 2,5-Dibromo-3-iodopyrazine 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 | C4HBr2IN2 |
| Molecular Weight | 363.78 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 |
| 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.) | 1992 |
| Halogen Content | Br/I-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 3,5-Dibromo-2-iodopyrazine (CAS 1092352-02-7)
- 3,6-Dibromo-4-iodopyridazine (CAS 1424016-60-3)
- 3,3-Dibromo-4-(1,3-dioxolan-2-yl)-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (CAS 1352396-84-9)
- 10,11-Dibromo-5H-dibenzo[a,d][7]annulen-5-one (CAS 137837-76-4)
- (E)-3-(3,5-dibromo-4-isopropoxyphenyl)acrylic acid (CAS 937599-28-5)
- 3-(3,5-Dibromo-4-propoxyphenyl)acrylic acid (CAS 937599-20-7)
- Methyl 1,3-dibromo-4-hydroxy-5,6,7,8-tetrahydronaphthalene-2-carboxylate (CAS 2055840-68-9)
- 2,7-Dibromo-4,5,9,10-tetrahydropyrene (CAS 17533-36-7)
Recommended Standards
- N-(4-Chloro-3-nitrophenyl)quinoline-8-sulfonamide (CAS 158729-30-7)
- Amlodipine Impurity 71 (CAS 114011-50-6)
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- 7-Chloro-4-hydroxy-3-(3-phenoxyphenyl)quinolin-2(1H)-one (CAS 142326-59-8)
- 3-Methyl-N-(1-(3-methylthiophen-2-yl)ethyl)butan-2-amine (CAS 1341050-41-6)
- 5-Bromo-1-phenyl-1H-pyrazole-4-carbonitrile (CAS 76767-44-7)
- [1-(2-Chlorophenyl)cyclopropyl]methanol (CAS 886366-24-1)
- 2-Hydrazinyl-1H-benzo[d]imidazole-5-carboxylic acid (CAS 99122-17-5)
- 4-Bromo-5,8-dichloroquinoline (CAS 1070879-38-7)
- 2-Isobutyl-3-oxo-2,3,5,6,7,8-hexahydroisoquinoline-4-carbonitrile (CAS 1267157-39-0)
- Methyl 1-(1,3-benzothiazol-2-yl)-5-oxopyrrolidine-3-carboxylate (CAS 1239764-72-7)
- 2-(((4-Chloro-2-methylphenyl)amino)methyl)isoindoline-1,3-dione (CAS 199803-03-7)
- , β-amino-3-methyl-2-Thiopheneethanol hydrochloride (1:1) (CAS 1376313-97-1)
- Fibrinogen Related Peptide (CAS 80755-86-8)
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