38509-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38509-26-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,5,0 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 38509-26:
(7*3)+(6*8)+(5*5)+(4*0)+(3*9)+(2*2)+(1*6)=131
131 % 10 = 1
So 38509-26-1 is a valid CAS Registry Number.