1187021-54-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187021-54-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,0,2 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1187021-54:
(9*1)+(8*1)+(7*8)+(6*7)+(5*0)+(4*2)+(3*1)+(2*5)+(1*4)=140
140 % 10 = 0
So 1187021-54-0 is a valid CAS Registry Number.