68239-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68239-54-3 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, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 68239-54:
(7*6)+(6*8)+(5*2)+(4*3)+(3*9)+(2*5)+(1*4)=153
153 % 10 = 3
So 68239-54-3 is a valid CAS Registry Number.
InChI:InChI=1/C27H18ClF2N7O15S4.Cu.4Na/c1-52-23-14(4-5-15(24(23)56(49,50)51)31-26-20(28)25(29)32-27(30)33-26)36-34-11-2-3-13(16(38)8-11)35-37-21-18(55(46,47)48)7-10-6-12(53(40,41)42)9-17(54(43,44)45)19(10)22(21)39;;;;;/h2-9,38-39H,1H3,(H,31,32,33)(H,40,41,42)(H,43,44,45)(H,46,47,48)(H,49,50,51);;;;;/q;+2;4*+1/p-6/b36-34+,37-35+;;;;;