2-Bromo-4-methoxythiophene CAS 78282-35-6
| CAS No. | 78282-35-6 |
| Molecular Formula | C5H5BrOS |
| Molecular Weight | 193.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 193.06 g/mol gives 2-Bromo-4-methoxythiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-Bromo-4-methoxythiophene (CAS 78282-35-6), a certified reference material (molecular formula C5H5BrOS, MW 193.06 g/mol) for analytical method development and quality control.
Structurally, 2-Bromo-4-methoxythiophene (C5H5BrOS) contains sulfur-containing functionality, 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 193.06 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.
CATO manufactures 2-Bromo-4-methoxythiophene 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 | C5H5BrOS |
| Molecular Weight | 193.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 3-Bromo-4-methoxythiophene (CAS 110545-69-2)
- 5-bromo-3-ethyl-1,2,4-thiadiazole (CAS 1351345-63-5)
- 5-Bromo-3-isothiazolemethanamine (CAS 1508458-54-5)
- 2-Bromo-3-methoxythiophene (CAS 174756-14-0)
- (4-Bromo-1,2-thiazol-5-yl)methanamine (CAS 1781571-44-5)
- (4-Bromo-2-thienyl)methanol (CAS 79757-77-0)
- 1-(4-Bromo-1,3-thiazol-2-yl)methanamine (CAS 697299-86-8)
- 2-Bromo-5-ethyl-1,3,4-thiadiazole (CAS 57709-49-6)
Recommended Standards
- 2-Amino-5-bromo-4-methylthiazole (CAS 3034-57-9)
- 2-(bromomethyl)-5-methyl-1,3,4-thiadiazole (CAS 75341-29-6)
- 2-Bromo-5-methoxythiophene (CAS 57070-77-6)
- 2-(Aminomethyl)-5-bromothiazole (CAS 716315-35-4)
- 5-Amino-3-(4-(tert-butyl)phenyl)isoxazole-4-carbonitrile (CAS 1017668-90-4)
- 5-(4-Aminophenyl)-2-phenyl-4H-pyrazol-3-one (CAS 478398-27-5)
- 2',3'-Dichloro-4-fluoro-biphenyl-2-carboxylic acid (CAS 1184060-56-7)
- 3-((2-(Diethylamino)ethyl)amino)tetrahydrothiophene 1,1-dioxide (CAS 863669-68-5)
- Empagliflozin Impurity 30 (CAS 86087-24-3)
- 4-{2-[4-(Trifluoromethyl)anilino]-1,3-thiazol-5-yl}-2-pyrimidinamine (CAS 1823183-29-4)
- (3-Chloro-5-fluoropyridin-2-yl)methanamine hydrochloride (CAS 1416714-11-8)
- 4-(1-Adamantyl)-2-nitrophenol (CAS 32599-84-1)
- 4-Bromo-2-(4-fluorophenyl)pyrimidine (CAS 76128-73-9)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
Why CATO?
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