65633-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65633-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,3 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 65633-89:
(7*6)+(6*5)+(5*6)+(4*3)+(3*3)+(2*8)+(1*9)=148
148 % 10 = 8
So 65633-89-8 is a valid CAS Registry Number.