98077-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98077-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,7 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 98077-57:
(7*9)+(6*8)+(5*0)+(4*7)+(3*7)+(2*5)+(1*7)=177
177 % 10 = 7
So 98077-57-7 is a valid CAS Registry Number.