40347-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40347-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,3,4 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 40347-74:
(7*4)+(6*0)+(5*3)+(4*4)+(3*7)+(2*7)+(1*4)=98
98 % 10 = 8
So 40347-74-8 is a valid CAS Registry Number.