1087784-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1087784-11-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,7,7,8 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1087784-11:
(9*1)+(8*0)+(7*8)+(6*7)+(5*7)+(4*8)+(3*4)+(2*1)+(1*1)=189
189 % 10 = 9
So 1087784-11-9 is a valid CAS Registry Number.