Sec-Butyl 4-Methylbenzenesulfonate (>80%, with an impurity of pTSA) 500mg
https://www.manchesterbeacon.org/shop/rw2-trc-s282080-500mg-sec-butyl-4-methylbenzenesulfonate-80-with-an-impurity-of-ptsa-500mg-289817
https://www.manchesterbeacon.org/web/image/product.template/289817/image_1920?unique=d8acac8
This Sec-Butyl is guaranteed a 4-Methylbenzenesulfonate with the use of (>80%, with and directly supplied to your lab by Gentaur's warehouse.
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