1581-96-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1581-96-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,8 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1581-96:
(6*1)+(5*5)+(4*8)+(3*1)+(2*9)+(1*6)=90
90 % 10 = 0
So 1581-96-0 is a valid CAS Registry Number.