200057-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200057-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,0,5 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 200057-74:
(8*2)+(7*0)+(6*0)+(5*0)+(4*5)+(3*7)+(2*7)+(1*4)=75
75 % 10 = 5
So 200057-74-5 is a valid CAS Registry Number.