2,5-Dibromo-3-dodecylthiophene CAS 148256-63-7
| CAS No. | 148256-63-7 |
| Molecular Formula | C16H26Br2S |
| Molecular Weight | 410.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Dibromo-3-dodecylthiophene (CAS 148256-63-7), molecular formula C16H26Br2S and molecular weight 410.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,5-Dibromo-3-dodecylthiophene (C16H26Br2S) contains sulfur-containing functionality, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 410.25 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), 2,5-Dibromo-3-dodecylthiophene 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.
Physical & Chemical Properties
| Molecular Formula | C16H26Br2S |
| Molecular Weight | 410.25 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Dibromo Standards
- 2,5-Dibromo-3,4-dihexylthiophene (CAS 151324-67-3)
- 1,5-Dibromo-2-chloro-4-iodo-3-methylbenzene (CAS 1000573-72-7)
- 2,2'-((2,5-Dibromo-1,4-phenylene)bis(oxy))bis(N,N-diethylethan-1-amine) (CAS 233753-19-0)
- (R)-6,6'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 1286189-15-8)
- (S)-6,6'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 1621066-74-7)
- 6,6'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 1807777-59-8)
- (R)-4,4'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 681481-94-7)
- (S)-4,4'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 636601-27-9)
Recommended Standards
- 4-Benzyloxy-5-iodo-2-(4-methylpiperazin-1-yl)pyrimidine (CAS 1268273-87-5)
- 1-(2-Chloro-6-fluorobenzyl)-3-((2-chloro-6-fluorobenzyl)oxy)-2-methylpyridin-4(1H)-one (CAS 303144-73-2)
- (3S)-8-fLuoro-1-methyl-3-[2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-2,4(1h,3h)-quinazolinedione (CAS 1643446-65-4)
- 8-Bromo-1-cyclopropyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid (CAS 109347-94-6)
- 5-Chloro-2-(2,2,2-trifluoroethoxy)benzene-1-sulfonyl chloride (CAS 111762-22-2)
- 4-(Tetrahydro-2H-pyran-4-yl)cyclohexan-1-one (CAS 1121526-79-1)
- Indole-d7 (CAS 73509-20-3)
- 1-(Pyrrolidin-3-yl)prop-2-en-1-one (CAS 112283-77-9)
- 4-Methyl-5-vinylthiazole (CAS 1759-28-0)
- Ethyl 3-(2-Bromophenyl)-2-cyanoacrylate (CAS 103457-27-8)
- 1-(9H-fluoren-9-yl)-2,2,2-trifluoroethan-1-one (CAS 386-83-4)
- tert-Butyl 3-((2-aminoethoxy)methyl)pyrrolidine-1-carboxylate (CAS 1353983-13-7)
- 2-(2-(Pyrrolidin-1-yl)pyridin-3-yl)pyrrolidine-1-carbaldehyde (CAS 1352517-65-7)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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