74650-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74650-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,5 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74650-72:
(7*7)+(6*4)+(5*6)+(4*5)+(3*0)+(2*7)+(1*2)=139
139 % 10 = 9
So 74650-72-9 is a valid CAS Registry Number.