1287682-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1287682-11-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,7,6,8 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1287682-11:
(9*1)+(8*2)+(7*8)+(6*7)+(5*6)+(4*8)+(3*2)+(2*1)+(1*1)=194
194 % 10 = 4
So 1287682-11-4 is a valid CAS Registry Number.