3-Bromo-5-(difluoromethoxy)thioanisole CAS 1804409-50-4
| CAS No. | 1804409-50-4 |
| Molecular Formula | C8H7BrF2OS |
| Molecular Weight | 269.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Bromo-5-(difluoromethoxy)thioanisole 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.
3-Bromo-5-(difluoromethoxy)thioanisole (CAS 1804409-50-4), molecular formula C8H7BrF2OS and molecular weight 269.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Bromo-5-(difluoromethoxy)thioanisole (C8H7BrF2OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 269.11 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.
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.
Physical & Chemical Properties
| Molecular Formula | C8H7BrF2OS |
| Molecular Weight | 269.11 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 1-Bromo-2-((2,2-difluoroethyl)sulfinyl)benzene (CAS 1162256-88-3)
- 1-[(4-bromo-2-fluorophenyl)methyl]-4-methyl-1h-pyrazole (CAS 1248326-96-6)
- 2-Bromo-4-(difluoromethoxy)thioanisole (CAS 1804409-43-5)
- 2-Bromo-6-(difluoromethoxy)thioanisole (CAS 1804895-99-5)
- 2-Bromo-3-(difluoromethoxy)thioanisole (CAS 1805104-13-5)
- 3-Bromo-2-(difluoromethoxy)thioanisole (CAS 1805527-78-9)
- 5-Bromo-2-(difluoromethoxy)thioanisole (CAS 1805527-96-1)
- 3-Bromo-4-(difluoromethoxy)thioanisole (CAS 1805593-20-7)
Recommended Standards
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1h-pyrrolo[2,3-b]pyridine-3-carbonitrile (CAS 1620575-06-5)
- (3-((4-(Dimethylamino)phenyl)diazenyl)phenyl)boronic acid (CAS 139777-27-8)
- Empagliflozin Impurity 33 (CAS CATO-C4X-106533)
- 2-Bromo-5-(difluoromethoxy)thioanisole (CAS 1807244-71-8)
- rac Viloxazine Hydrochloride (CAS 35604-67-2)
- (R)-2-(2,4-bis(trifluoromethyl)phenyl)piperidine (CAS 1212980-61-4)
- 2-[(1,1-dioxido-1,2-benzisothiazol-3-yl)amino]-3-methylbutanoic acid (CAS 1396968-55-0)
- Ethyl 2-(2,4-difluorophenyl)nicotinate (CAS 1219503-87-3)
- Bicyclo[1.1.1]pentane-1,3-dicarboxamide (CAS 1379318-53-2)
- 3-(Dimethoxymethyl)pyrrolidine (CAS 2229188-24-1)
- 3-[(1S,3R)-3-[(tert-butoxycarbonylamino)methyl]cyclohexyl]prop-2-ynoic acid (CAS 2307487-94-9)
- oct-7-en-2-amine (CAS 1342733-81-6)
- 2-(1-methoxyethylidene)malononitrile (CAS 5515-16-2)
- Neuropeptide FF (CAS 99566-27-5)
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