1087654-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1087654-74-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,7,6,5 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1087654-74:
(9*1)+(8*0)+(7*8)+(6*7)+(5*6)+(4*5)+(3*4)+(2*7)+(1*4)=187
187 % 10 = 7
So 1087654-74-7 is a valid CAS Registry Number.