80239-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80239-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,2,3 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80239-91:
(7*8)+(6*0)+(5*2)+(4*3)+(3*9)+(2*9)+(1*1)=124
124 % 10 = 4
So 80239-91-4 is a valid CAS Registry Number.
80239-91-4Relevant academic research and scientific papers
REGIOSELECTIVE CLEAVAGE OF THE "E" RING IN DIOSGENIN
Singh, Anil K.,Dhar, Durga N.
, p. 981 - 982 (2007/10/02)
Diosgenin, under a variety of acidic conditions, has been found to undergo an anomalous regioselective cleavage of the "E" ring affording a 16-keto derivative.