71438-36-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71438-36-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,4,3 and 8 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71438-36:
(7*7)+(6*1)+(5*4)+(4*3)+(3*8)+(2*3)+(1*6)=123
123 % 10 = 3
So 71438-36-3 is a valid CAS Registry Number.