72139-17-4 Usage
Flammability and Explosibility
Notclassified
Check Digit Verification of cas no
The CAS Registry Mumber 72139-17-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,3 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72139-17:
(7*7)+(6*2)+(5*1)+(4*3)+(3*9)+(2*1)+(1*7)=114
114 % 10 = 4
So 72139-17-4 is a valid CAS Registry Number.
InChI:InChI=1/C25H16ClF2N5O8S2.2Na/c1-9-13(6-10(42(36,37)38)7-14(9)31-24-19(26)23(27)32-25(28)33-24)30-15-8-16(43(39,40)41)20(29)18-17(15)21(34)11-4-2-3-5-12(11)22(18)35;;/h2-8,30H,29H2,1H3,(H,31,32,33)(H,36,37,38)(H,39,40,41);;/q;2*+1/p-2