38309-48-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38309-48-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,3,0 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 38309-48:
(7*3)+(6*8)+(5*3)+(4*0)+(3*9)+(2*4)+(1*8)=127
127 % 10 = 7
So 38309-48-7 is a valid CAS Registry Number.