methyl 5-bromo-6-oxo-1H-pyrazine-3-carboxylate CAS 1017603-85-8
| CAS No. | 1017603-85-8 |
| Molecular Formula | C6H9BrN2O3 |
| Molecular Weight | 237.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including methyl 5-bromo-6-oxo-1H-pyrazine-3-carboxylate.
CATO supplies methyl 5-bromo-6-oxo-1H-pyrazine-3-carboxylate (CAS 1017603-85-8), a certified reference material (molecular formula C6H9BrN2O3, MW 237.05 g/mol) for analytical method development and quality control.
Structurally, methyl 5-bromo-6-oxo-1H-pyrazine-3-carboxylate (C6H9BrN2O3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 237.05 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.
As a certified reference material (CRM), methyl 5-bromo-6-oxo-1H-pyrazine-3-carboxylate 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 | C6H9BrN2O3 |
| Molecular Weight | 237.05 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related methyl Standards
- 7-Bromo-3-oxoisoindoline-4-carbonitrile (CAS 1370467-88-1)
- 5-Bromo-2,2,5-trimethyl-1,3-dioxane-4,6-dione (CAS 34817-42-0)
- 2-((4-Bromo-1-methyl-1H-pyrazol-5-yl)methylene)malononitrile (CAS 1005672-95-6)
- 6-Bromo-2-methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 1242268-30-9)
- 3-Bromo-7H-imidazo[1,2-c]pyrrolo[3,2-e]pyrimidine (CAS 1404299-76-8)
- 7-Bromo-1-methyl-1,2,3-benzotriazole-5-carbonitrile (CAS 1423037-16-4)
- 3-bromo-1,2,5,10-tetraazatricyclo[7.3.0.0²,⁶]dodeca-3,5,7,9,11-pentaene (CAS 85102-44-9)
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Recommended Standards
- Dicamba-5-hydroxy (CAS 7600-50-2)
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- Methyl 4,5-dichloro-2,3-dihydroxybenzoate (CAS 819800-61-8)
- 5-((4-Chlorophenyl)amino)-4-(hydroxymethyl)-2H-pyrrol-2-one (CAS 61610-41-1)
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- 2-[(2-Fluoro-phenylcarbamoyl)-methoxy]-benzoic acid (CAS 748776-38-7)
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- 4-(4-Methoxyphenyl)-5-[(Z)-2-(4-methoxyphenyl)diazen-1-yl]-2-phenylpyrimidine (CAS 339279-52-6)
- 3'-Hydroxy-[1,1'-biphenyl]-2-carboxylic acid (CAS 92379-10-7)
- (Ser(PO?H?)3??·???)-Tau Peptide (379-408) trifluoroacetate salt (CAS 2022956-60-9)
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