Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 630-56-8, Whether you call it Hydroxyprogesterone Caproate, Pregn-4-ene-3 -20-dione Hexanoate , 17-AHPC , Hydroxyprogesterone Hexanoate , 17-&#945, -Hydroxypregn-4-ene-3 -20-dione Hexanoate , 17&#945 or -Hydroxyprogesterone Caproate you can be assured the Hydroxyprogesterone Caproate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.