2,2'-(3-Bromo-4-methylthiophene-2,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) CAS 1256360-34-5
| CAS No. | 1256360-34-5 |
| Molecular Formula | C17H27B2BrO4S |
| Molecular Weight | 428.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,2'-(3-Bromo-4-methylthiophene-2,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane).
2,2'-(3-Bromo-4-methylthiophene-2,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 1256360-34-5), molecular formula C17H27B2BrO4S and molecular weight 428.98 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H27B2BrO4S, 2,2'-(3-Bromo-4-methylthiophene-2,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 428.98 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,2'-(3-Bromo-4-methylthiophene-2,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) 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 | C17H27B2BrO4S |
| Molecular Weight | 428.98 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 7-Bromo-1-(2,5-dibromophenyl)heptan-1-ol (CAS 1956386-21-2)
- 4-Bromo-3,3,4,4-tetrafluorobutyl (4,4,5,5,5-pentafluoropentyl) carbonate (CAS 1923267-08-6)
- 3-Bromo-2,4-diiodo-5-methylthiophene (CAS 1221791-68-9)
- N-(4-Bromo-3-methylphenyl)-1-(3-chloro-4-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 890892-74-7)
- Bromo-PEG5-Boc (CAS 1415800-38-2)
- 4-Bromo-5,6-dimethoxy-7-nitroisobenzofuran-1(3H)-one (CAS 889-93-0)
- 7-Bromo-5-methyl-N-(4-(2-(pyrrolidin-1-yl)ethoxy)phenyl)benzo[e][1,2,4]triazin-3-amine (CAS 1245646-89-2)
- N-(4-Bromo-3-methylphenyl)-5-methyl-11-oxo-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazoline-3-carboxamide (CAS 1574622-16-4)
Recommended Standards
- Sotagliflozin-D4 (CAS 1018899-04-1 (unlabeled))
- Isopropyl 2-(((Z)-4-((1R,2R,3R,5R)-5-chloro-2-((S,E)-3-cyclohexyl-3-hydroxyprop-1-en-1-yl)-3-hydroxycyclopentyl)but-2-en-1-yl)oxy)acetate (CAS 154927-31-8)
- Hydrazinecarbodithioicacid,(1-methylethylidene)-,methylester,palladiumcomplex (CAS 82468-04-0)
- 3-Chloro-2-methyl-N-(4-(2-(4-methylpiperazin-1-yl)-2-oxoethyl)thiazol-2-yl)benzenesulfonamide (CAS 376640-41-4)
- 2-((Allyloxy)methyl)-6-nitro-2,3-dihydroimidazo[2,1-b]oxazole (CAS 127692-20-0)
- 5-Methoxy-1,3-benzodioxole (CAS 7228-35-5)
- 4-(3,5-Dinitrobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326808-26-7)
- tert-butyl N-(4-amino-1-phenylbutan-2-yl)carbamate (CAS 159025-91-9)
- 2-(2-Amino-4-methylphenyl)acetonitrile (CAS 861068-42-0)
- 2-Cyclopropoxy-4-isopropyl-1-methylbenzene (CAS 1243395-55-2)
- Apremilast Impurity 114 (CAS CATO-C4X-1009114)
- 2-Tert-Butyl-4-Ethylphenol (CAS 96-70-8)
- 2-Fluoro-4-hydroxybenzyl benzoate (CAS 142935-73-7)
- Hepcidin/LEAP-1 (Human); Liver-Expressed Antimicrobial Peptide (CAS 342790-21-0)
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