488791-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 488791-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,8,7,9 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 488791-21:
(8*4)+(7*8)+(6*8)+(5*7)+(4*9)+(3*1)+(2*2)+(1*1)=215
215 % 10 = 5
So 488791-21-5 is a valid CAS Registry Number.