68239-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68239-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,2,3 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 68239-68:
(7*6)+(6*8)+(5*2)+(4*3)+(3*9)+(2*6)+(1*8)=159
159 % 10 = 9
So 68239-68-9 is a valid CAS Registry Number.
InChI:InChI=1/C27H30N4O4.ClHO4/c1-6-19(13-26-30(7-2)22-15-20(28-17(4)32)9-11-24(22)34-26)14-27-31(8-3)23-16-21(29-18(5)33)10-12-25(23)35-27;2-1(3,4)5/h9-16H,6-8H2,1-5H3,(H-,28,29,32,33);(H,2,3,4,5)