4-Bromothiophene-2-carboxamide CAS 83933-17-9
| CAS No. | 83933-17-9 |
| Molecular Formula | C5H4BrNOS |
| Molecular Weight | 206.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Bromothiophene-2-carboxamide is closely related to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-Bromothiophene-2-carboxamide (CAS 83933-17-9), a certified reference material (molecular formula C5H4BrNOS, MW 206.06 g/mol) for analytical method development and quality control.
4-Bromothiophene-2-carboxamide (C5H4BrNOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution. 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.
CATO manufactures 4-Bromothiophene-2-carboxamide 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 | C5H4BrNOS |
| Molecular Weight | 206.06 g/mol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromothiophene Standards
- (E)-5-bromothiophene-3-carbaldehyde oxime (CAS 18791-96-3)
- 5-Bromothiophene-3-carboxamide (CAS 189329-94-0)
- 2-Bromothiophene-3-carboxamide (CAS 189330-06-1)
- (E)-4-bromothiophene-2-carbaldehyde oxime (CAS 31767-01-8)
- 3-Bromothiophene-2-carboxamide (CAS 78031-18-2)
- 5-Bromothiophene-2-carboxaldehyde oxime (CAS 2160-63-6)
- 4-Bromothiophene-2-carboximidamide (CAS 1094293-83-0)
- 5-Bromothiophene-2-carboximidamide (CAS 844496-26-0)
Recommended Standards
- 4-Bromo-3-methylisothiazole-5-carbaldehyde (CAS 89283-96-5)
- 5-Bromo-2-methyl-1,3-thiazole-4-carbaldehyde (CAS 221558-28-7)
- 4-Bromo-2-methylthiazole-5-carbaldehyde (CAS 2167792-96-1)
- 5-Bromo-4-methylthiazole-2-carbaldehyde (CAS 95453-56-8)
- 4-Amino-6,7,8,9-tetrahydropyrimido[4,5-b]quinoline-2(1H)-thione (CAS 577984-25-9)
- 9-Bromo-5-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-7-carboxylic acid (CAS 2138166-16-0)
- 1-Nitro-3-(trifluoromethane)sulfonylbenzene (CAS 1548-72-7)
- S-Ornidazole (CAS 166734-83-4)
- (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(3,4-difluorophenyl)methanone (CAS 898778-82-0)
- 4,5-Dichloro-2-(chloromethyl)pyridazin-3(2H)-one (CAS 51356-03-7)
- Meropenem Impurity 65 (CAS 1124-74-9)
- Methyl 6-chlorothiazolo[4,5-b]pyridine-2-carboxylate (CAS 1440428-01-2)
- 4-Fluoro-1-isopropoxy-2-nitrobenzene (CAS 1092496-27-9)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
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