5-Bromo-3-ethylbenzothiophene CAS 900508-78-3
| CAS No. | 900508-78-3 |
| Molecular Formula | C10H9BrS |
| Molecular Weight | 241.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 5-Bromo-3-ethylbenzothiophene (CAS 900508-78-3), a certified reference material (molecular formula C10H9BrS, MW 241.15 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H9BrS, 5-Bromo-3-ethylbenzothiophene 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 241.15 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.
CATO manufactures 5-Bromo-3-ethylbenzothiophene 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 | C10H9BrS |
| Molecular Weight | 241.15 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-2-ethylbenzothiophene (CAS 360044-66-2)
- 7-Bromo-2,3-dimethylbenzo[b]thiophene (CAS 204980-74-5)
- 1-Bromo-4-(3-methylpentan-3-yl)benzene (CAS 1313217-76-3)
- 1-(3-Bromo-2,2-dimethylpropyl)-4-methylbenzene (CAS 1479843-55-4)
- 1-(3-Bromo-2,2-dimethylpropyl)-2-methylbenzene (CAS 1493303-49-3)
- 1-(3-Bromo-2,2-dimethylpropyl)-3-methylbenzene (CAS 1493973-81-1)
- (4-Bromo-2-methylpentan-2-yl)benzene (CAS 28457-10-5)
- 1-Bromo-2,4-diisopropylbenzene (CAS 40734-55-2)
Recommended Standards
- 5-(Difluoromethyl)-3-(4-nitrophenyl)-1,2,4-oxadiazole (CAS 866555-95-5)
- 3466-32-8 Benzene, 1-bromo-4-(methylsulfonyl)- (9CI) 1-Bromo-4-(methylsulphonyl)benzene Sulfone, p-bromophenyl methyl (8CI) p-Bromophenyl methyl sulfone 4-Bromophenyl methyl sulfone EINECS 222-421-0 Methyl 4-bromophenyl sulfone NSC 174742 (CAS 3466-32-8)
- 3-(2-Bromoethyl)benzo[b]thiophene (CAS 19985-73-0)
- Ethyl 6,8-dichlorooctanoate (CAS 1070-64-0)
- 2-IODO-4-FLUOROBENZOIC ACID 4-Fluoro-2-iodobenzoic acid 56096-89-0 AS00944 BENZOIC ACID, 4-FLUORO-2-IODO- BUTTPARK 83\07-33 (CAS 56096-89-0)
- 2-((2,3-Dichlorophenyl)thio)-4-methoxy-6-(trifluoromethyl)pyrimidine (CAS 866039-15-8)
- 4-(4-Isopropylphenoxy)piperidine (CAS 893763-12-7)
- 5,6-Bis(octyloxy)-2,1,3-benzoxadiazole (CAS 1314801-34-7)
- Uracil-d4 (CAS 24897-55-0)
- CAS 2241757-94-6 (CAS 2241757-94-6)
- 3-(3-Bromophenyl)pyrazole (CAS 149739-65-1)
- 6-Ethyl-3-propionyl-2H-pyran-2,4(3H)-dione (CAS 35236-85-2)
- 7-Amino-3,3-dimethyl-5-propyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5h)-one (CAS 1171529-01-3)
- (DTyr27,36,DThr32)-Neuropeptide Y (27-36) (CAS 163887-48-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com