28543-37-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28543-37-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,4 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28543-37:
(7*2)+(6*8)+(5*5)+(4*4)+(3*3)+(2*3)+(1*7)=125
125 % 10 = 5
So 28543-37-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H15NO8/c14-6-4-2-1-3-5(6)12(20)22-13-9(17)7(15)8(16)10(21-13)11(18)19/h1-4,7-10,13,15-17H,14H2,(H,18,19)/t7-,8-,9+,10-,13-/m0/s1