Sodium Estrone-2,4,16,16-d4 Sulfate (Stabilized with TRIS, 50% w/w) 10mg
https://www.manchesterbeacon.org/shop/rw2-trc-e889071-10mg-sodium-estrone-241616-d4-sulfate-stabilized-with-tris-50-w-w-10mg-290943
https://www.manchesterbeacon.org/web/image/product.template/290943/image_1920?unique=41c2433
This Sodium is guaranteed a Estrone-2,4,16,16-d4 with the use of Sulfate (Stabilized and directly supplied to your lab by Gentaur's warehouse.
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