672949-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 672949-76-7 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, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 672949-76:
(8*6)+(7*7)+(6*2)+(5*9)+(4*4)+(3*9)+(2*7)+(1*6)=217
217 % 10 = 7
So 672949-76-7 is a valid CAS Registry Number.