749878-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 749878-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,8,7 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 749878-89:
(8*7)+(7*4)+(6*9)+(5*8)+(4*7)+(3*8)+(2*8)+(1*9)=255
255 % 10 = 5
So 749878-89-5 is a valid CAS Registry Number.