3940-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3940-47-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,4 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 3940-47:
(6*3)+(5*9)+(4*4)+(3*0)+(2*4)+(1*7)=94
94 % 10 = 4
So 3940-47-4 is a valid CAS Registry Number.