200628-56-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200628-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,6,2 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 200628-56:
(8*2)+(7*0)+(6*0)+(5*6)+(4*2)+(3*8)+(2*5)+(1*6)=94
94 % 10 = 4
So 200628-56-4 is a valid CAS Registry Number.