Hello,

I am interested in purchasing 15a-hydroxyestradiol, 15a-hydroxytestosterone, and/or 15a-hydroxyprogesterone to test cross reactivity with existing commercial kits for non-hydroxylated versions of the hormones. Does anyone know of a source? Previous research cited Sigma and Steraloids, but neither company is currently producing the hormones.

Any information is much appreciated.

Thank you,

Lea Medeiros