63937-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63937-73-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,3 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 63937-73:
(7*6)+(6*3)+(5*9)+(4*3)+(3*7)+(2*7)+(1*3)=155
155 % 10 = 5
So 63937-73-5 is a valid CAS Registry Number.