749917-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 749917-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,9,1 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 749917-48:
(8*7)+(7*4)+(6*9)+(5*9)+(4*1)+(3*7)+(2*4)+(1*8)=224
224 % 10 = 4
So 749917-48-4 is a valid CAS Registry Number.