74801-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74801-79-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,0 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74801-79:
(7*7)+(6*4)+(5*8)+(4*0)+(3*1)+(2*7)+(1*9)=139
139 % 10 = 9
So 74801-79-9 is a valid CAS Registry Number.