155969-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155969-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,9,6 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 155969-80:
(8*1)+(7*5)+(6*5)+(5*9)+(4*6)+(3*9)+(2*8)+(1*0)=185
185 % 10 = 5
So 155969-80-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H28O3/c1-12-6-8-15-16(20(15,4)5)11-14(3)17(21)9-7-13(2)19(23)18(22)10-12/h7,10-11,15-16,19,23H,6,8-9H2,1-5H3/b12-10-,13-7-,14-11-/t15?,16-,19?/m1/s1