1321892-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1321892-09-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,8,9 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1321892-09:
(9*1)+(8*3)+(7*2)+(6*1)+(5*8)+(4*9)+(3*2)+(2*0)+(1*9)=144
144 % 10 = 4
So 1321892-09-4 is a valid CAS Registry Number.