1019500-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1019500-22-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,9,5,0 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1019500-22:
(9*1)+(8*0)+(7*1)+(6*9)+(5*5)+(4*0)+(3*0)+(2*2)+(1*2)=101
101 % 10 = 1
So 1019500-22-1 is a valid CAS Registry Number.