34452-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34452-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,4,5 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 34452-72:
(7*3)+(6*4)+(5*4)+(4*5)+(3*2)+(2*7)+(1*2)=107
107 % 10 = 7
So 34452-72-7 is a valid CAS Registry Number.