102698-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102698-55-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,6,9 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 102698-55:
(8*1)+(7*0)+(6*2)+(5*6)+(4*9)+(3*8)+(2*5)+(1*5)=125
125 % 10 = 5
So 102698-55-5 is a valid CAS Registry Number.