151838-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 151838-22-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,8,3 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 151838-22:
(8*1)+(7*5)+(6*1)+(5*8)+(4*3)+(3*8)+(2*2)+(1*2)=131
131 % 10 = 1
So 151838-22-1 is a valid CAS Registry Number.