96642-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 96642-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,6,4 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 96642-90:
(7*9)+(6*6)+(5*6)+(4*4)+(3*2)+(2*9)+(1*0)=169
169 % 10 = 9
So 96642-90-9 is a valid CAS Registry Number.