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1. Cyclopropylcarbonylmethylenetriphenylphosphorane

CAS 7691-76-1;white to off-white solid;pharmaceutical intermediate,used in Wittig reaction;calcipotriol(high potency API) intermediate

2. 5-Carboxypentyl triphenylphosphonium Bromide

CAS 50889-29-7;white to off-white solid;NLT98.0%(HPLC Purity,a/a);pharmaceutical intermediate;used in Wittig reaction

3. 4-Carboxybutyl triphenylphosphonium Bromide

CAS 17814-85-6;white to off-white solid;NLT98.0%(HPLC Purity,a/a);pharmaceutical intermediate, mainly for prostaglandin/PG alike APIs, eg.,bimaprost

4. Butyl triphenyl phosphonium bromide

CAS 1779-51-7;white to off-white solid;NLT98.0%(Assay titration);phosphonium salt;used in epoxy resins,powder coatings or fluoroelastomers; also as phase transfer catalyst/PTC

5. Ethyl triphenyl phosphonium bromide

CAS 1530-32-1 white to off-white solid;NLT98.0%(Assay titration);phosphonium salt;used in epoxy resins,powder coatings or fluoroelastomers; also as phase transfer catalyst/PTC