100971-98-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100971-98-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,9,7 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 100971-98:
(8*1)+(7*0)+(6*0)+(5*9)+(4*7)+(3*1)+(2*9)+(1*8)=110
110 % 10 = 0
So 100971-98-0 is a valid CAS Registry Number.