The CAS Registry Mumber 110782-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,7,8 and 2 respectively; the second part has 2 digits, 0 and 5 respectively. Calculate Digit Verification of CAS Registry Number 110782-05: (8*1)+(7*1)+(6*0)+(5*7)+(4*8)+(3*2)+(2*0)+(1*5)=93 93 % 10 = 3 So 110782-05-3 is a valid CAS Registry Number.
Studies on chemical constituents of antitumor fraction from Periploca sepium. IV. Structures of new pregnane glycosides, periplocosides D, E, L, and M
Itokawa,Xu,Takeya
, p. 2084 - 2089 (1988)
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