2-[4-(Bromomethyl)phenyl]thiophene CAS 81443-46-1
| CAS No. | 81443-46-1 |
| Molecular Formula | C11H9BrS |
| Molecular Weight | 253.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 253.16 g/mol gives 2-[4-(Bromomethyl)phenyl]thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-[4-(Bromomethyl)phenyl]thiophene (CAS 81443-46-1), molecular formula C11H9BrS and molecular weight 253.16 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H9BrS, 2-[4-(Bromomethyl)phenyl]thiophene contains sulfur-containing functionality, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H9BrS |
| Molecular Weight | 253.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromomethyl Standards
- 3-[4-(Bromomethyl)phenyl]thiophene (CAS 108912-09-0)
- 2-(2-(Bromomethyl)phenyl)thiophene (CAS 791078-04-1)
- 2-(3-(Bromomethyl)phenyl)thiophene (CAS 85553-44-2)
- 3-(3-(Bromomethyl)phenyl)thiophene (CAS 89929-85-1)
- 1-(Bromomethyl)-4-cyclohexylbenzene (CAS 111818-33-8)
- [4-(bromomethyl)cyclohexyl]benzene (CAS 1521961-37-4)
- 8-(Bromomethyl)-8-fluoro-1,4-dioxaspiro[4.5]Decane (CAS 1374658-11-3)
- (4-(Bromomethyl)-2,6-difluorophenyl)(methyl)sulfane (CAS 473299-53-5)
Recommended Standards
- 2-(4-Bromophenyl)-5-methylthiophene (CAS 85093-02-3)
- 2-Bromo-5-(p-tolyl)thiophene (CAS 845753-53-9)
- 3-Bromo-5-methyl-2-phenylthiophene (CAS 61285-23-2)
- (8-Bromonaphthalen-1-yl)(methyl)sulfane (CAS 591250-28-1)
- 5-Bromo-1-(phenylsulfonyl)indole (CAS 118757-11-2)
- N-Me-D-Orn(Boc)-OMe.HCl (CAS 2044710-39-4)
- 2-Chloro-N-{2-[(4-methylphenyl)sulfanyl]ethyl}acetamide (CAS 853723-89-4)
- 2-((2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)oxy)ethan-1-amine (CAS 32604-73-2)
- 1-Methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 14383-42-7)
- (1R,2R,5R)-8-Azabicyclo[3.2.1]octane-2-carboxylic acid (CAS 71656-74-1)
- 2-Amino-N-isobutylbenzo[d]thiazole-6-carboxamide (CAS 1225697-91-5)
- (R)-Methyl 2-amino-3-(4-methoxyphenyl)propanoate (CAS 120349-74-8)
- 3-Hexyl-7-hydroxy-4,8-dimethyl-2h-chromen-2-one (CAS 405918-92-5)
- Insulin Degludec Impurity 20 (CAS CATO-C4X-215720)
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