72691-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72691-83-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,9 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72691-83:
(7*7)+(6*2)+(5*6)+(4*9)+(3*1)+(2*8)+(1*3)=149
149 % 10 = 9
So 72691-83-9 is a valid CAS Registry Number.
72691-83-9Relevant academic research and scientific papers
Stereoselective Routes to 14,15,17-Trisubstituted-3-methoxyestra-1,3,5(10)-trienes
Bull, James R.,Floor, Jan
, p. 437 - 446 (2007/10/02)
An approach to the synthesis of estra-1,3,5(10),8(14)-tetraen-15-one derivatives, based upon stereoselective introduction of functionality into the 14- and 15-positions of Δ14-compounds derived from estrone, is examined.Osmium tetraoxide hydrox
