672305-99-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 672305-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,2,3,0 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 672305-99:
(8*6)+(7*7)+(6*2)+(5*3)+(4*0)+(3*5)+(2*9)+(1*9)=166
166 % 10 = 6
So 672305-99-6 is a valid CAS Registry Number.