3729-56-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3729-56-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,2 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3729-56:
(6*3)+(5*7)+(4*2)+(3*9)+(2*5)+(1*6)=104
104 % 10 = 4
So 3729-56-4 is a valid CAS Registry Number.