155258-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155258-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,2,5 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 155258-66:
(8*1)+(7*5)+(6*5)+(5*2)+(4*5)+(3*8)+(2*6)+(1*6)=145
145 % 10 = 5
So 155258-66-5 is a valid CAS Registry Number.