672324-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 672324-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,2,3,2 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 672324-99:
(8*6)+(7*7)+(6*2)+(5*3)+(4*2)+(3*4)+(2*9)+(1*9)=171
171 % 10 = 1
So 672324-99-1 is a valid CAS Registry Number.