206990-46-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206990-46-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,9,9 and 0 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 206990-46:
(8*2)+(7*0)+(6*6)+(5*9)+(4*9)+(3*0)+(2*4)+(1*6)=147
147 % 10 = 7
So 206990-46-7 is a valid CAS Registry Number.