Methyl 7-bromobenzo[d]oxazole-2-carboxylate CAS 954239-78-2
| CAS No. | 954239-78-2 |
| Molecular Formula | C9H6BrNO3 |
| Molecular Weight | 256.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 7-bromobenzo[d]oxazole-2-carboxylate (C9H6BrNO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 256.05 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Methyl 7-bromobenzo[d]oxazole-2-carboxylate (CAS 954239-78-2), molecular formula C9H6BrNO3 and molecular weight 256.05 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.
CATO manufactures Methyl 7-bromobenzo[d]oxazole-2-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H6BrNO3 |
| Molecular Weight | 256.05 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- Methyl 6-bromobenzo[d]isoxazole-3-carboxylate (CAS 1123169-23-2)
- Methyl 5-bromobenzo[d]isoxazole-3-carboxylate (CAS 1123169-30-1)
- Methyl 6-bromobenzo[c]isoxazole-3-carboxylate (CAS 1204298-31-6)
- Methyl 5-bromobenzo[d]oxazole-7-carboxylate (CAS 1221792-83-1)
- 2-(2-Bromobenzo[d]oxazol-5-yl)acetic acid (CAS 1780042-15-0)
- 2-(2-Bromobenzo[d]oxazol-6-yl)acetic acid (CAS 1781976-12-2)
- 2-(4-Bromobenzo[d]oxazol-2-yl)acetic acid (CAS 1804454-83-8)
- 2-(5-Bromobenzo[d]isoxazol-3-yl)acetic acid (CAS 34173-12-1)
Recommended Standards
- Methyl 7-bromo-1,2-benzoxazole-4-carboxylate (CAS 2090909-62-7)
- 3-Bromo-6-methyl-5-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-20-4)
- Methyl 6-bromobenzo[d]oxazole-2-carboxylate (CAS 954239-67-9)
- 6-Bromo-3-methyl-4-nitro-1H-indazole (CAS 1000342-18-6)
- 2-(3-(tert-Butoxycarbonyl)-3-azaspiro[5.5]undecan-9-yl)acetic acid (CAS 952480-32-9)
- Isoflucypram (CAS 1255734-28-1)
- Cefuroxime Impurity 58 (CAS 54434-94-5)
- n-((3-Methylisoxazol-5-yl)methyl)quinoxalin-2-amine (CAS 1281146-80-2)
- Magnesium chromate hydrate (CAS 23371-94-0)
- 4-Chlorobenzyl Chloride (CAS 104-83-6)
- Methyl 3-(5-(benzyloxy)-1H-indol-3-yl)propanoate (CAS 101890-43-1)
- Cimicifugic acid F (CAS 220618-91-7)
- N-(4-Methylphenyl)-N-(2,3,4,5-tetrahydro-1,4-benzoxazepin-7-ylmethyl)acetamide hydrochloride (CAS 1332529-55-1)
- Semaglutide impurity 63 (CAS CATO-C4X-222663)
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