208649-00-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208649-00-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,6,4 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 208649-00:
(8*2)+(7*0)+(6*8)+(5*6)+(4*4)+(3*9)+(2*0)+(1*0)=137
137 % 10 = 7
So 208649-00-7 is a valid CAS Registry Number.