178550-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178550-59-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,5,5 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 178550-59:
(8*1)+(7*7)+(6*8)+(5*5)+(4*5)+(3*0)+(2*5)+(1*9)=169
169 % 10 = 9
So 178550-59-9 is a valid CAS Registry Number.