7380-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7380-63-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,8 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7380-63:
(6*7)+(5*3)+(4*8)+(3*0)+(2*6)+(1*3)=104
104 % 10 = 4
So 7380-63-4 is a valid CAS Registry Number.