105298-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105298-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,2,9 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 105298-83:
(8*1)+(7*0)+(6*5)+(5*2)+(4*9)+(3*8)+(2*8)+(1*3)=127
127 % 10 = 7
So 105298-83-7 is a valid CAS Registry Number.