206358-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206358-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,3,5 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 206358-99:
(8*2)+(7*0)+(6*6)+(5*3)+(4*5)+(3*8)+(2*9)+(1*9)=138
138 % 10 = 8
So 206358-99-8 is a valid CAS Registry Number.