331870-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331870-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,8,7 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 331870-44:
(8*3)+(7*3)+(6*1)+(5*8)+(4*7)+(3*0)+(2*4)+(1*4)=131
131 % 10 = 1
So 331870-44-1 is a valid CAS Registry Number.