102019-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102019-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,0,1 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 102019-31:
(8*1)+(7*0)+(6*2)+(5*0)+(4*1)+(3*9)+(2*3)+(1*1)=58
58 % 10 = 8
So 102019-31-8 is a valid CAS Registry Number.