334940-73-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 334940-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,9,4 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 334940-73:
(8*3)+(7*3)+(6*4)+(5*9)+(4*4)+(3*0)+(2*7)+(1*3)=147
147 % 10 = 7
So 334940-73-7 is a valid CAS Registry Number.