38920-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38920-42-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,9,2 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 38920-42:
(7*3)+(6*8)+(5*9)+(4*2)+(3*0)+(2*4)+(1*2)=132
132 % 10 = 2
So 38920-42-2 is a valid CAS Registry Number.