204660-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204660-15-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,6,6 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 204660-15:
(8*2)+(7*0)+(6*4)+(5*6)+(4*6)+(3*0)+(2*1)+(1*5)=101
101 % 10 = 1
So 204660-15-1 is a valid CAS Registry Number.
InChI:InChI=1/C19H28O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h7,9,12,14-17,21H,3-6,8,10-11H2,1-2H3