102019-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102019-57-8 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, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 102019-57:
(8*1)+(7*0)+(6*2)+(5*0)+(4*1)+(3*9)+(2*5)+(1*7)=68
68 % 10 = 8
So 102019-57-8 is a valid CAS Registry Number.