1332391-16-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1332391-16-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,2,3,9 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1332391-16:
(9*1)+(8*3)+(7*3)+(6*2)+(5*3)+(4*9)+(3*1)+(2*1)+(1*6)=128
128 % 10 = 8
So 1332391-16-8 is a valid CAS Registry Number.