155928-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155928-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,9,2 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 155928-75:
(8*1)+(7*5)+(6*5)+(5*9)+(4*2)+(3*8)+(2*7)+(1*5)=169
169 % 10 = 9
So 155928-75-9 is a valid CAS Registry Number.