2928-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2928-63-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,2 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2928-63:
(6*2)+(5*9)+(4*2)+(3*8)+(2*6)+(1*3)=104
104 % 10 = 4
So 2928-63-4 is a valid CAS Registry Number.