672919-94-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 672919-94-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,2,9,1 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 672919-94:
(8*6)+(7*7)+(6*2)+(5*9)+(4*1)+(3*9)+(2*9)+(1*4)=207
207 % 10 = 7
So 672919-94-7 is a valid CAS Registry Number.