209003-08-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209003-08-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,0,0 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 209003-08:
(8*2)+(7*0)+(6*9)+(5*0)+(4*0)+(3*3)+(2*0)+(1*8)=87
87 % 10 = 7
So 209003-08-7 is a valid CAS Registry Number.