675863-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 675863-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,5,8,6 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 675863-57:
(8*6)+(7*7)+(6*5)+(5*8)+(4*6)+(3*3)+(2*5)+(1*7)=217
217 % 10 = 7
So 675863-57-7 is a valid CAS Registry Number.