2-(5-Bromothiophen-2-yl)quinoxaline CAS 175135-75-8
| CAS No. | 175135-75-8 |
| Molecular Formula | C12H7BrN2S |
| Molecular Weight | 291.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 291.17 g/mol gives 2-(5-Bromothiophen-2-yl)quinoxaline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(5-Bromothiophen-2-yl)quinoxaline (CAS 175135-75-8), molecular formula C12H7BrN2S and molecular weight 291.17 g/mol, is a CATO reference standard with documented purity and traceability.
2-(5-Bromothiophen-2-yl)quinoxaline (C12H7BrN2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 2-(5-Bromothiophen-2-yl)quinoxaline 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 | C12H7BrN2S |
| Molecular Weight | 291.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromothiophen Standards
- 1-(5-Bromothiophen-2-yl)-5-methoxypentane-1,3-dione (CAS 1183540-72-8)
- Methyl 5-(5-bromothiophen-2-yl)-5-oxopentanoate (CAS 1267861-35-7)
- 5-(3-Bromothiophen-2-yl)-3-methyl-5-oxopentanoic acid (CAS 951894-04-5)
- Ethyl 4-(3-bromothiophen-2-yl)-4-oxobutanoate (CAS 951889-19-3)
- 2-(((4-Bromothiophen-2-yl)methyl)amino)-N-propylacetamide (CAS 1155049-54-9)
- 2-(((4-Bromothiophen-2-yl)methyl)(methyl)amino)-N,N-dimethylacetamide (CAS 1247524-58-8)
- n1-((5-Bromothiophen-2-yl)methyl)-n2,n2-diethylethane-1,2-diamine (CAS 1019539-50-4)
- n1-((3-Bromothiophen-2-yl)methyl)-n2,n2-diethylethane-1,2-diamine (CAS 1249779-03-0)
Recommended Standards
- 3-Bromo-6-phenylisothiazolo[5,4-b]pyridine (CAS 1706443-95-9)
- (2E)-3-(2,4-Dichlorophenyl)-1-(2-methylphenyl)prop-2-en-1-one (CAS 183018-76-0)
- (2E)-1-(2,4-Dichlorophenyl)-3-(4-methylphenyl)prop-2-en-1-one (CAS 168208-81-9)
- (2E)-1-(2,4-Dichlorophenyl)-3-(2-methylphenyl)prop-2-en-1-one (CAS 569327-34-0)
- 2-Guanidinoethyl carbamimidothioate (CAS 98021-17-1)
- 7-Bromo-4-methoxyindole (CAS 81224-16-0)
- 1-(5-Fluorothiophen-2-yl)-N-((1-isopropyl-3-methyl-1H-pyrazol-4-yl)methyl)methanamine hydrochloride (CAS 1856086-51-5)
- 2,3-Dihydroxysuccinamide (CAS 6051-30-5)
- (6-Oxopiperidin-3-yl)methyl 4-methylbenzenesulfonate (CAS 2879334-87-7)
- (Z)-N'-Hydroxyimidazo[1,2-a]pyridine-2-carboximidamide (CAS 939999-93-6)
- Tert-butyl n-[2-methyl-4-(1,2,4-oxadiazol-5-yl)butan-2-yl]carbamate (CAS 1354954-19-0)
- 4,6-Dichloro-N-methylpyridazine-3-carboxamide (CAS 1609394-78-6)
- Methyl (3S,4R)-4-(4-chlorophenyl)pyrrolidine-3-carboxylate hydrochloride (CAS 862283-71-4)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
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