20399-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20399-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,9 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 20399-13:
(7*2)+(6*0)+(5*3)+(4*9)+(3*9)+(2*1)+(1*3)=97
97 % 10 = 7
So 20399-13-7 is a valid CAS Registry Number.
InChI:InChI=1/C6H12O5/c1-4(9)6(11,3-8)5(10)2-7/h2,4-5,8-11H,3H2,1H3