56741-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56741-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,7,4 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 56741-74:
(7*5)+(6*6)+(5*7)+(4*4)+(3*1)+(2*7)+(1*4)=143
143 % 10 = 3
So 56741-74-3 is a valid CAS Registry Number.