672949-51-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 672949-51-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,2,9,4 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 672949-51:
(8*6)+(7*7)+(6*2)+(5*9)+(4*4)+(3*9)+(2*5)+(1*1)=208
208 % 10 = 8
So 672949-51-8 is a valid CAS Registry Number.