901345-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 901345-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,1,3,4 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 901345-31:
(8*9)+(7*0)+(6*1)+(5*3)+(4*4)+(3*5)+(2*3)+(1*1)=131
131 % 10 = 1
So 901345-31-1 is a valid CAS Registry Number.