73188-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73188-47-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,8 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73188-47:
(7*7)+(6*3)+(5*1)+(4*8)+(3*8)+(2*4)+(1*7)=143
143 % 10 = 3
So 73188-47-3 is a valid CAS Registry Number.