3-(bromomethyl)-2-chlorothiophene CAS 40032-81-3
| CAS No. | 40032-81-3 |
| Molecular Formula | C5H4BrClS |
| Molecular Weight | 211.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(bromomethyl)-2-chlorothiophene (CAS 40032-81-3), a certified reference material (molecular formula C5H4BrClS, MW 211.51 g/mol) for analytical method development and quality control.
Structurally, 3-(bromomethyl)-2-chlorothiophene (C5H4BrClS) contains sulfur-containing functionality, chlorine/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 211.51 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.
As a certified reference material (CRM), 3-(bromomethyl)-2-chlorothiophene 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 | C5H4BrClS |
| Molecular Weight | 211.51 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related bromomethyl Standards
- 2-(Bromomethyl)-4-chlorothiophene (CAS 1400991-44-7)
- 2-(Bromomethyl)-5-chlorothiophene (CAS 59311-22-7)
- 4-(bromomethyl)-2-chlorothiophene (CAS 73919-94-5)
- (Cis-2-(bromomethyl)cyclopropyl)benzene (CAS 1017962-38-7)
- 1-(Bromomethyl)-4-cyclopropylbenzene (CAS 1150617-57-4)
- 1-(bromomethyl)-2-cyclopropylbenzene (CAS 1260801-90-8)
- 1-(Bromomethyl)-3-cyclopropylbenzene (CAS 1260850-05-2)
- (trans-2-(bromomethyl)cyclopropyl)benzene (CAS 135911-95-4)
Recommended Standards
- 2-Bromo-5-chloro-3-methylthiophene (CAS 53374-61-1)
- 3-Bromo-2-(chloromethyl)thiophene (CAS 7353-88-0)
- 2-Bromo-5-(chloromethyl)thiophene (CAS 7311-46-8)
- 3-Bromo-4-(chloromethyl)thiophene (CAS 70260-08-1)
- 4-Methoxy-2-methyl-3-nitropyridine (CAS 78757-25-2)
- 2-Bromo-1-(3-chloro-4-methylphenyl)propan-1-one (CAS 175135-93-0)
- Methyl 3-(3-amino-1h-pyrazol-1-yl)-2,2-dimethylpropanoate (CAS 1506347-15-4)
- (R)-2-(1,3-dioxoisoindolin-2-yl)-3-methylbutanoic acid (CAS 6306-53-2)
- (R)-N-(2-Hydroxy-2-methyl-1-phenylpropyl)-4-methylbenzenesulfonamide (CAS 620627-46-5)
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