63784-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63784-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,7,8 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 63784-22:
(7*6)+(6*3)+(5*7)+(4*8)+(3*4)+(2*2)+(1*2)=145
145 % 10 = 5
So 63784-22-5 is a valid CAS Registry Number.