2,5-Dibromo-3,4-di-p-tolylthiophene CAS 951384-60-4
| CAS No. | 951384-60-4 |
| Molecular Formula | C18H14Br2S |
| Molecular Weight | 422.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H14Br2S, 2,5-Dibromo-3,4-di-p-tolylthiophene contains sulfur-containing functionality, bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 422.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2,5-Dibromo-3,4-di-p-tolylthiophene (CAS 951384-60-4), molecular formula C18H14Br2S and molecular weight 422.18 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 2,5-Dibromo-3,4-di-p-tolylthiophene 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 | C18H14Br2S |
| Molecular Weight | 422.18 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (S)-3-cyclopropyl-2-hydroxypropanoic acid (CAS 300853-97-8)
- Dipropyl({[2-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl})amine (CAS 2030297-18-6)
- 5-(2-Ethoxyphenyl)furan-2-carbaldehyde (CAS 853312-11-5)
- 5-(4-Chlorophenyl)-1-phenyl-1H-pyrazole-3-carboxylic acid (CAS 167873-90-7)
- Methyl 4-chloro-6-methoxynicotinate (CAS 848953-45-7)
- 2-(Methylamino)-N-phenylacetamide Hydrochloride (CAS 60565-45-9)
- MCH-Gene-Overprinted-Polypeptide-14 (rat) (H-4746.0500) (CAS 182917-44-8)
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