74830-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74830-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,3 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 74830-48:
(7*7)+(6*4)+(5*8)+(4*3)+(3*0)+(2*4)+(1*8)=141
141 % 10 = 1
So 74830-48-1 is a valid CAS Registry Number.