1087784-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1087784-40-4 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, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1087784-40:
(9*1)+(8*0)+(7*8)+(6*7)+(5*7)+(4*8)+(3*4)+(2*4)+(1*0)=194
194 % 10 = 4
So 1087784-40-4 is a valid CAS Registry Number.