Home > Pharmaceutical Standards > 4,4'-Dibromo-3,3'-bithiophene (5556-13-8)
4,4'-Dibromo-3,3'-bithiophene CAS 5556-13-8
Purity 97%+ In Stock Pharmaceutical Standards
CAS No. 5556-13-8
Molecular Formula C8H4Br2S2
Molecular Weight 324.06 g/mol
Category Pharmaceutical Standards / API Standards
Availability In Stock
Description Order 4,4'-Dibromo-3,3'-bithiophene (CAS 5556-13-8) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H4Br2S2. Molecular weight: 324.06 g/mol. COA included with every batch.
Physical & Chemical Properties Molecular Formula C8H4Br2S2 Molecular Weight 324.06 g/mol Purity 97%+ Storage Store at 2-8°C, protect from light Solubility (reference) Soluble in methanol, acetonitrile, DMSO 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.) 1958 Halogen Content Br-containing Sulfur Atoms 2
Related Dibromo Standards 4,5-DIBROMO-2,2'-BITHIOPHENE (CAS 1006384-44-6) 2,2'-Dibromo-3,3'-bithiophene (CAS 18592-86-4) 4,4'-Dibromo-2,2'-bithiophene (CAS 51285-60-0) 5,5’-Dibromo-2,2’-bithiophene (CAS 4805-22-5) (2,6-Dibromo-4-isopropylphenyl)(methyl)sulfane (CAS 2624416-86-8) 2,5-Dibromo-3-cyclohexylthiophene (CAS 302912-44-3) 1,4-dibromo-2,5-diethoxybenzene (CAS 101907-55-5) 1,4-Dibromo-2,5-bis(methoxymethyl)benzene (CAS 144526-35-2)
Recommended Standards (5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pentyl)boronic acid (CAS 1073371-70-6) Dimethyl (4-bromo-2-nitrobenzyl)phosphonate (CAS 1094851-36-1) Tetrasul (CAS 2227-13-6) 6-chloro-1,3-dimethyl-1h-pyraZolo[3,4-b]pyridine-5-carbonitrile (CAS 769971-54-2) Diphenyl(1-phenylpropa-1,2-dien-1-yl)phosphine oxide (CAS 17620-99-4) Pranoprofen Impurity 79 (CAS CATO-C4X-181179) 3'-Fluoro-[1,1'-biphenyl]-3-thiol (CAS 845822-99-3) Ethyl 4-phenyl-1h-pyrrole-2-carboxylate (CAS 127572-58-1) (2-Fluoro-3-((2-fluorobenzyl)carbamoyl)phenyl)boronic acid (CAS 1449144-85-7) PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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