4-Bromo-2-propylthiophene CAS 36155-79-0
| CAS No. | 36155-79-0 |
| Molecular Formula | C7H9BrS |
| Molecular Weight | 205.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Bromo-2-propylthiophene 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.
4-Bromo-2-propylthiophene (CAS 36155-79-0) is a high-purity analytical reference standard with the molecular formula C7H9BrS and a molecular weight of 205.12 g/mol.
Structurally, 4-Bromo-2-propylthiophene (C7H9BrS) contains sulfur-containing functionality, 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 205.12 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.
Physical & Chemical Properties
| Molecular Formula | C7H9BrS |
| Molecular Weight | 205.12 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.) | 1967 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 3-Bromo-4-isopropylthiophene (CAS 1369146-51-9)
- 2-Bromo-5-propylthiophene (CAS 172319-75-4)
- 3-Bromo-4-propylthiophene (CAS 187661-10-5)
- 2-Bromo-3-isopropylthiophene (CAS 29488-36-6)
- 2-Bromo-5-isopropylthiophene (CAS 29488-23-1)
- 3-Bromo-2,4,5-trimethylthiophene (CAS 39129-53-8)
- 3-Bromo-2-isopropylthiophene (CAS 2363782-33-4)
- 1-Bromo-3-isopropyl-4-methylpent-2-ene (CAS 1115-21-5)
Recommended Standards
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- 3-Ethyl-3-(pyridin-4-yl)piperidine-2,6-dione (CAS 92788-10-8)
- 1,9-Dimethylphenanthrene (CAS 20291-73-0)
- Ethyl 3-amino-3-(4-fluorophenyl)butanoate (CAS 1541277-27-3)
- (1S,6R)-3,9-Diazabicyclo[4.2.1]nonan-4-one (CAS 1300698-40-1)
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