1817-43-2 Usage
Chemical Properties
Brown Solid
Uses
(6α,9β,11β)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-pregna-1,4,16-triene-3,20-dione is used in the preparation of Fluorine containing steroid hormones. Glucocorticoid.
Check Digit Verification of cas no
The CAS Registry Mumber 1817-43-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,1 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1817-43:
(6*1)+(5*8)+(4*1)+(3*7)+(2*4)+(1*3)=82
82 % 10 = 2
So 1817-43-2 is a valid CAS Registry Number.