2,5-Dibromo-3-methylthiophene CAS 13191-36-1
| CAS No. | 13191-36-1 |
| Molecular Formula | C5H8Br2S |
| Molecular Weight | 259.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,5-Dibromo-3-methylthiophene 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.
CATO supplies 2,5-Dibromo-3-methylthiophene (CAS 13191-36-1), a certified reference material (molecular formula C5H8Br2S, MW 259.99 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H8Br2S, 2,5-Dibromo-3-methylthiophene contains sulfur-containing functionality, bromine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 259.99 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.
Physical & Chemical Properties
| Molecular Formula | C5H8Br2S |
| Molecular Weight | 259.99 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Dibromo Standards
- 1,3-Dibromo-2-ethynylbenzene (CAS 177094-74-5)
- 1,3-Dibromo-5-ethynylbenzene (CAS 191846-86-3)
- 1,4-Dibromo-2-ethynylbenzene (CAS 856000-38-9)
- 2,4-Dibromo-1-ethynylbenzene (CAS 2143123-35-5)
- 2,3-Dibromo-3-methylbutanoic acid (CAS 80573-34-8)
- Methyl 2,3-dibromo-2-methylpropanoate (CAS 3673-79-8)
- Dibromo Malonamide (CAS 73003-80-2)
- Methyl 3,3-dibromo-2-oxopropanoate (CAS 5038-58-4)
Recommended Standards
- 2-Bromo-n,n-bis(trifluoromethyl)ethylamine (CAS 1683-83-6)
- 3-(Trifluoromethyl)benzylzinc chloride solution 0.5 M in THF (CAS 480438-42-4)
- 5-Bromo-3-fluoro-2-(trifluoromethoxy)pyridine (CAS 1361893-62-0)
- 3,3-bis(bromomethyl)thietane (CAS 835604-79-0)
- 2-(Methylthio)-N-(4-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)phenyl)nicotinamide (CAS 756863-04-4)
- 1-(4-(4-Methoxyphenyl)piperazin-1-yl)-3-phenoxypropan-2-ol (CAS 2725-15-7)
- 8-Chloro-2-(3-ethoxyphenyl)quinoline-4-carbonyl chloride (CAS 1160263-73-9)
- 3-amino-2-hydroxy-N-methylpropanamide hydrochloride (CAS 1803606-13-4)
- Bimatoprost Impurity 19 (CAS 41639-71-8)
- cinnolin-8-amine (CAS 21905-84-0)
- Ethyl 3-isopropylisonicotinate (CAS 2112992-90-0)
- 3-(2-Chlorophenyl)-5-[(1Z)-1-(dimethylamino)-3-oxoprop-1-en-2-yl]-1,2-oxazole-4-carbonitrile (CAS 400087-67-4)
- 2-Iodo-5-nitropyrimidine (CAS 1379169-99-9)
- Des-Gln24-Tirzepatide (CAS CATO-CPTD788949)
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