4-Bromo-5-methyl-1H-pyrrole-2-carboxylic acid CAS 848498-79-3
| CAS No. | 848498-79-3 |
| Molecular Formula | C6H6BrNO2 |
| Molecular Weight | 204.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 204.02 g/mol gives 4-Bromo-5-methyl-1H-pyrrole-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Bromo-5-methyl-1H-pyrrole-2-carboxylic acid (CAS 848498-79-3), a certified reference material (molecular formula C6H6BrNO2, MW 204.02 g/mol) for analytical method development and quality control.
4-Bromo-5-methyl-1H-pyrrole-2-carboxylic acid (C6H6BrNO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-methyl-1H-pyrrole-2-carboxylic acid 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 | C6H6BrNO2 |
| Molecular Weight | 204.02 g/mol |
| Appearance | Off-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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 2-bromo-1-(3-methylisoxazol-5-yl)ethanone (CAS 104777-32-4)
- 104819-48-9 2-BROMO-3-METHOXYPYRIDIN-1-IUM-1-OLATE 2-BROMO-3-METHOXYPYRIDINE 1-OXIDE 2-BROMO-3-METHOXYPYRIDINE-N-OXIDE BC003049 (CAS 104819-48-9)
- 5-Bromo-3-methyl-1H-pyrrole-2-carboxylic acid (CAS 1082159-67-8)
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- 4-Bromo-3-methoxypyridine 1-oxide (CAS 109911-37-7)
- 2-Bromo-1-(4-methyloxazol-5-yl)ethanone (CAS 113732-98-2)
- 6-Bromo-2-(hydroxymethyl)pyridin-3-ol (CAS 1174728-40-5)
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Recommended Standards
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- 5-Amino-4-bromo-2-methyl-2H-pyridazin-3-one (CAS 65269-63-8)
- methyl 2-amino-4-chloro-5-cyanobenzoate (CAS 916887-28-0)
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