Home > Pharmaceutical Standards > 4,4'-Sulfonylbis(phenoxybenzene) (1623-91-2)
4,4'-Sulfonylbis(phenoxybenzene) CAS 1623-91-2
Purity 97%+ In Stock Pharmaceutical Standards
CAS No. 1623-91-2
Molecular Formula C24H18O4S
Molecular Weight 402.46 g/mol
Category Pharmaceutical Standards / API Standards
Availability In Stock
Description 4,4'-Sulfonylbis(phenoxybenzene) (CAS 1623-91-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C24H18O4S. Molecular weight: 402.46 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties Molecular Formula C24H18O4S Molecular Weight 402.46 g/mol Purity 97%+ Storage Store at room temperature, protect from light, keep sealed and dry Solubility (reference) Soluble in chloroform, dichloromethane, ethyl acetate, DMSO Stability May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light Degree of Unsaturation (DBE) 16.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1957 Sulfur Atoms 1
Related Sulfonylbis Standards ((sulfonylbis(4,1-phenylene))bis(azanediyl))dimethanesulfinic acid (CAS 144-76-3) 1,1'-(Sulfonylbis(3,1-phenylene))bis(1H-pyrrole-2,5-dione) (CAS 68555-55-5) 4,4'-Sulfonylbis(2-nitrobenzoic acid) (CAS 22437-96-3) 3,3-Sulfonylbis[6-ethoxy-benzoic Acid] (CAS 860563-20-8) 4,4'-Sulfonylbis(1-chloro-2-nitrobenzene) (CAS 1759-05-3) 4,4’-Sulfonylbis(bromobenzene) (CAS 2050-48-8) 4,4-((Sulfonylbis(4,1-phenylene))-bis(oxy))dianiline (CAS 13080-89-2) 5,5'-Sulfonylbis(1H-indene-1,3(2H)-dione) (CAS 2766727-93-7)
Recommended Standards Diethyl 2-(3-(benzyloxy)propyl)-2-(4-fluorophenyl)malonate (CAS 1523572-00-0) (2S,3S)-3-(tert-butyl)-4-(2,6-dimethoxyphenyl)-2-(2-methoxypropan-2-yl)-2,3-dihydrobenzo[d][1,3]oxaphosphole (CAS 2227217-22-1) (Rp)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2-hydroxy-5-methoxyphenyl)(phenyl)phosphinate (CAS 1464049-12-4) 6-(3-Bromophenyl)-5-nitropiperidin-2-one (CAS 430448-64-9) 2-(4-(3,4-Dichlorophenyl)piperazine-1-carbonyl)cyclopropane-1-carboxylic acid (CAS 866150-83-6) 5-piperidin-1-yl-4-(tetrahydrofuran-2-ylmethyl)-4H-1,2,4-triazole-3-thiol (CAS 923124-24-7) 1-Isobutyl-5-methoxy-2,3-dihydro-4(1H)-quinolinone (CAS 1353499-50-9) 3-Fluoro-2-methylbenzenesulfonyl Chloride (CAS 875166-92-0) 4-Piperidinyl 4-methoxybenzoate hydrochloride (CAS 1220021-02-2) Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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