1030857-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1030857-19-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,0,8,5 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1030857-19:
(9*1)+(8*0)+(7*3)+(6*0)+(5*8)+(4*5)+(3*7)+(2*1)+(1*9)=122
122 % 10 = 2
So 1030857-19-2 is a valid CAS Registry Number.