1187928-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187928-25-1 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 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1187928-25:
(9*1)+(8*1)+(7*8)+(6*7)+(5*9)+(4*2)+(3*8)+(2*2)+(1*5)=201
201 % 10 = 1
So 1187928-25-1 is a valid CAS Registry Number.