4919-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4919-68-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,1 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4919-68:
(6*4)+(5*9)+(4*1)+(3*9)+(2*6)+(1*8)=120
120 % 10 = 0
So 4919-68-0 is a valid CAS Registry Number.