1187927-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187927-31-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,9,2 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1187927-31:
(9*1)+(8*1)+(7*8)+(6*7)+(5*9)+(4*2)+(3*7)+(2*3)+(1*1)=196
196 % 10 = 6
So 1187927-31-6 is a valid CAS Registry Number.