155698-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155698-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,9 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 155698-28:
(8*1)+(7*5)+(6*5)+(5*6)+(4*9)+(3*8)+(2*2)+(1*8)=175
175 % 10 = 5
So 155698-28-5 is a valid CAS Registry Number.