57814-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57814-34-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,8,1 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57814-34:
(7*5)+(6*7)+(5*8)+(4*1)+(3*4)+(2*3)+(1*4)=143
143 % 10 = 3
So 57814-34-3 is a valid CAS Registry Number.