1-Bromo-2-(2-methoxyphenyl)acetylene CAS 199165-20-3
| CAS No. | 199165-20-3 |
| Molecular Formula | C9H7BrO |
| Molecular Weight | 211.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 211.06 g/mol gives 1-Bromo-2-(2-methoxyphenyl)acetylene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-Bromo-2-(2-methoxyphenyl)acetylene (CAS 199165-20-3), a certified reference material (molecular formula C9H7BrO, MW 211.06 g/mol) for analytical method development and quality control.
1-Bromo-2-(2-methoxyphenyl)acetylene (C9H7BrO) contains a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. 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.
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), 1-Bromo-2-(2-methoxyphenyl)acetylene 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 | C9H7BrO |
| Molecular Weight | 211.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | Br-containing |
Related Bromo Standards
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Recommended Standards
- 1-(4-Bromophenyl)prop-2-en-1-one (CAS 22731-70-0)
- 1-Bromo-2-(3-methoxyphenyl)acetylene (CAS 33675-45-5)
- 1-(4-Bromophenyl)-2-propyn-1-ol (CAS 85020-75-3)
- 1-Bromo-2-(4-methoxyphenyl)acetylene (CAS 33675-41-1)
- 4-Cyclopropoxy-N,3-dimethylpyridin-2-amine (CAS 1243329-09-0)
- 1-(7-Chloro-1H-indol-3-yl)-N,N-dimethylmethanamine (CAS 159503-76-1)
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