1-(5-Bromothiophen-2-yl)butane-1,3-dione CAS 26963-41-7
| CAS No. | 26963-41-7 |
| Molecular Formula | C8H7BrO2S |
| Molecular Weight | 247.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(5-Bromothiophen-2-yl)butane-1,3-dione.
CATO supplies 1-(5-Bromothiophen-2-yl)butane-1,3-dione (CAS 26963-41-7), a certified reference material (molecular formula C8H7BrO2S, MW 247.11 g/mol) for analytical method development and quality control.
Structurally, 1-(5-Bromothiophen-2-yl)butane-1,3-dione (C8H7BrO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 247.11 g/mol, it falls into the medium-molecular-weight range. 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), 1-(5-Bromothiophen-2-yl)butane-1,3-dione 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 | C8H7BrO2S |
| Molecular Weight | 247.11 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromothiophen Standards
- 2-(5-Bromothiophen-2-yl)cyclopropane-1-carboxylic acid (CAS 1157641-77-4)
- 2-(4-Bromothiophen-2-yl)cyclopropane-1-carboxylic acid (CAS 1497134-46-9)
- Methyl 3-(4-bromothiophen-2-yl)acrylate (CAS 91150-58-2)
- Methyl 3-(5-bromothiophen-2-yl)acrylate (CAS 64389-22-6)
- (1-((3-Bromothiophen-2-yl)methyl)cyclopropyl)methanol (CAS 1483472-29-2)
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- 1-(4-Bromothiophen-2-yl)-2,2-dimethylpropan-1-one (CAS 33148-68-4)
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Recommended Standards
- (E)-Methyl 3-(5-bromothiophen-2-yl)acrylate (CAS 62157-62-4)
- 1-Bromo-3-(ethenesulfonyl)benzene (CAS 321976-44-7)
- (E)-3-(4-Bromo-5-methylthiophen-2-yl)acrylic acid (CAS 832694-74-3)
- 2-[(3-bromophenyl)sulfanyl]acetic acid (CAS 3996-39-2)
- 3,5-Dichloro-4-methylaniline (CAS 54730-35-7)
- 3-(Hexadecyloxy)-3-oxopropanoic acid (CAS 1002-58-0)
- 3,3-Dimethyl-1-(piperidin-3-yl)urea (CAS 1057003-11-8)
- 2-Chloro-N-(2,3-dichlorobenzyl)-N-methylacetamide (CAS 1183592-43-9)
- Ethyl 3-Methylpyrazole-4-carboxylate (CAS 85290-78-4)
- 2,5-Dimethoxyphenethyl acetate (CAS 1159550-36-3)
- 1-[3-(6-Chloro-2-methyl-pyrimidin-4-yl)-piperidin-1-yl]-ethanone (CAS 1316223-81-0)
- 3-(4-Isopropylphenyl)-1H-pyrazole-4-carbaldehyde (CAS 696646-74-9)
- 5-(Bromomethyl)-1-chloro-2,3-difluorobenzene (CAS 1805225-13-1)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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