1-(4-Bromo-5-methylthiophen-2-yl)ethan-1-one CAS 36901-17-4
| CAS No. | 36901-17-4 |
| Molecular Formula | C7H7BrOS |
| Molecular Weight | 219.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H7BrOS, 1-(4-Bromo-5-methylthiophen-2-yl)ethan-1-one contains sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.10 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).
CATO supplies 1-(4-Bromo-5-methylthiophen-2-yl)ethan-1-one (CAS 36901-17-4), a certified reference material (molecular formula C7H7BrOS, MW 219.10 g/mol) for analytical method development and quality control.
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 | C7H7BrOS |
| Molecular Weight | 219.10 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 1-(5-bromo-2-methylthiophen-3-yl)ethan-1-one (CAS 1001671-82-4)
- 2-Bromo-1-(5-methylthiophen-2-yl)ethanone (CAS 10531-42-7)
- 3-Bromo-2-(methylthio)phenol (CAS 107724-66-3)
- 5-Bromo-2-ethylthiophene-3-carbaldehyde (CAS 1150223-09-8)
- 4-Bromo-N-cyclopropylthiazol-2-amine (CAS 1159816-42-8)
- 2-Bromo-1-(4-methylthiophen-2-yl)ethan-1-one (CAS 1203589-82-5)
- 5-Bromo-N-cyclopropylthiazol-2-amine (CAS 1209460-01-4)
- 2-Bromo-3-(methylthio)phenol (CAS 1243287-95-7)
Recommended Standards
- (S)-1-Bromo-3-(methylsulfinyl)benzene (CAS 422551-36-8)
- 1-(4-Bromothiophen-2-yl)propan-1-one (CAS 36155-78-9)
- (R)-1-Bromo-4-(methylsulfinyl)benzene (CAS 28227-62-5)
- 1-(5-Bromo-4-methylthiophen-2-yl)ethanone (CAS 859199-06-7)
- (4S,4'S)-2,2'-(Propane-2,2-diyl)bis(4-isobutyl-4,5-dihydrooxazole) (CAS 176650-26-3)
- 3-Amino-6-bromo-2-(trifluoromethyl)benzonitrile (CAS 1805250-35-4)
- 8-Methylfluoranthene (CAS 20485-57-8)
- 3-Benzyl-3h-[1,2,3]triazolo[4,5-d]pyrimidine-7-thiol (CAS 13925-59-2)
- 3-Azidopyridine (CAS 10296-29-4)
- 4-Chloro-1-cyclopropyl-3-iodo-6-methylpyridin-2(1H)-one (CAS 1774904-58-3)
- 2-((1,4,8,11-Tetrathiacyclotetradecan-6-yl)oxy)hexanoic acid (CAS 162316-51-0)
- tert-Butyl 4-(4-chlorophenyl)-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine-1-carboxylate (CAS 917899-36-6)
- n-(Furan-2-ylmethyl)-3-(methylthio)aniline (CAS 1019560-80-5)
- 3AEEA-Semaglutide(Endo-AEEA-Semaglutide) (CAS CATO-C4X-2226265)
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