201994-55-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201994-55-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,9,9 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 201994-55:
(8*2)+(7*0)+(6*1)+(5*9)+(4*9)+(3*4)+(2*5)+(1*5)=130
130 % 10 = 0
So 201994-55-0 is a valid CAS Registry Number.