69573-87-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69573-87-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,5,7 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 69573-87:
(7*6)+(6*9)+(5*5)+(4*7)+(3*3)+(2*8)+(1*7)=181
181 % 10 = 1
So 69573-87-1 is a valid CAS Registry Number.