120687-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120687-98-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,6,8 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 120687-98:
(8*1)+(7*2)+(6*0)+(5*6)+(4*8)+(3*7)+(2*9)+(1*8)=131
131 % 10 = 1
So 120687-98-1 is a valid CAS Registry Number.