74352-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74352-69-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,5 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74352-69:
(7*7)+(6*4)+(5*3)+(4*5)+(3*2)+(2*6)+(1*9)=135
135 % 10 = 5
So 74352-69-5 is a valid CAS Registry Number.