205694-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205694-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,6,9 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 205694-99:
(8*2)+(7*0)+(6*5)+(5*6)+(4*9)+(3*4)+(2*9)+(1*9)=151
151 % 10 = 1
So 205694-99-1 is a valid CAS Registry Number.