38840-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38840-76-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,8,4 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 38840-76:
(7*3)+(6*8)+(5*8)+(4*4)+(3*0)+(2*7)+(1*6)=145
145 % 10 = 5
So 38840-76-5 is a valid CAS Registry Number.