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Table 1 The molecules listed with their effect on rat TD50 activity [28] and the semi-empirical PM3 (Hyperchem [29]) computed structural parameters of hydrophobicity (LogP), polarizability (POL, in Å3) and total optimized energy (Etot, in kcal/mol) belonging to the Gaussian training set illustrated in Figure 2.

From: Residual-QSAR. Implications for genotoxic carcinogenesis

No.

Chemical Compound

Formula

CASRN

TD50_Rat(a)

A(b)

logP

POL

Etot

1

3,3'-Dimethoxy-4,4'-biphenylene diisocyanate

C16H12N2O4

91-93-0

1630

2.79

2.07

30.03

-82478.58594

2

Chrysazin (Danthron)

C14H8O4

117-10-2

245

3.61

1.87

24.44

-68162.28125

3

Acetaldehyde

C2H4O

75-07-0

153

3.82

-0.58

4.53

-13662.00781

4

Allyl isothiocyanate

C4H5NS

57-06-7

96

4.02

1.17

11.74

-20700.27344

5

Isobutyl nitrite

C4H9NO2

542-56-3

54.1

4.27

1.63

9.96

-31363

6

Urethane

C3H7NO2

51-79-6

41.3

4.38

-0.06

8.35

-27989.58203

7

Ethylene oxide

C2H4O

75-21-8

21.3

4.67

-0.16

4.31

-13626.54297

8

Hexa(hydroxymethyl)melamine

C9H18N6O6

531-18-0

10.2

4.99

1.96

27.19

-108827.0859

9

1,2-Dichloroethane

C2H4Cl2

107-06-2

8.04

5.09

1.59

8.3

-21506.41406

10

Tris(2,3-dibromopropyl) phosphate

C9H15Br6O4P

126-72-7

3.83

5.42

5.37

35.91

-108827.0859

11

Beta-Propiolactone

C3H4O2

57-57-8

1.46

5.84

-0.25

6.23

-23148.73047

12

Chlorambucil

C14H19Cl2NO2

305-03-3

0.896

6.048

4.14

31.04

-76933.42969

13

Azaserine

C5H7N3O4

115-02-6

0.793

6.10

-1.03

14.25

-54439.625

14

Dacarbazine

C6H10N6O

4342-03-4

0.71

6.15

-0.92

17.95

-49126.58594

15

Thiotepa (Tris(aziridinyl)-phosphine sulfide)

C6H12N3PS

52-24-4

0.164

6.789

0.54

17.63

-38905.46484

16

Aflatoxin-B1

C17H12O6

1162-65-8

0.0032

8.49

0.99

29.86

-91307.82331

17

2,3,7,8-Tetrachlorodibenzo-p-dioxin

C12H4 Cl4 O2

1746-01-6

0.0000457

10.34

4.93

28.31

-76933.75

18

Aflatoxicol

C17H14O6

29611-03-8

0.00247

8.61

0.46

30.41

-91979.58594

19

1-(2-Hydroxyethyl)-1-nitrosourea

C3H7N3O3

13743-07-2

0.244

6.61

-0.95

10.92

-42184.19141

20

N'-Nitrosonornicotine-1-N-oxide

C9H11N3O2

78246-24-9

0.876

6.06

0.25

19.48

-53174.95313

21

Benzo(a)pyrene

C20H12

50-32-8

0.956

6.02

5.37

36.04

-58881.02734

22

2-Acetylaminofluorene

C15H13NO

53-96-3

1.22

5.91

2.61

26.26

-56110.60547

23

1,2-Dibromoethane

C2H4Br2

106-93-4

1.52

5.82

1.71

9.7

-28203.0625

24

Hydrazobenzene

C12H12N2

122-66-7

5.59

5.25

3.8

19.85

-67801.28125

25

Ethylene thiourea (ETU)

C3H6N2S

96-45-7

8.13

5.09

0.33

11.45

-22095.42578

26

Thioacetamide

C2H5NS

62-55-5

11.5

4.94

-0.21

9.04

-15263.96289

27

o-Nitroanisole

C7H7NO3

91-23-6

15.6

4.81

-0.18

14.75

-45613.03906

28

2-Aminodipyrido[1,2-a:3',2'-d]imidazole

C10H8N4

67730-10-3

42.3

4.37

2.35

20.73

-45103.06641

29

Dichlorodiphenyltrichloroethane (DDT)

C14H9Cl5

50-29-3

84.7

4.07

6.39

33.4

-77956.60156

30

p-Cresidine

C8H11NO

120-71-8

98

4.01

1.48

16.09

-36280.75391

31

Ethyl 2-(4-chlorophenoxy)-2-methylpropionate

C12H15ClO3

637-07-0

169

3.77

2.97

24.73

-65740.6875

32

Vinyl acetate

C4H6O2

108-05-4

341

3.47

-0.01

8.65

-26598.12305

33

Salicylazosulfapyridine

C18H14N4O5S

599-79-1

1590

2.799

4.54

36.79

-107222.1719

  1. (a) in [mg/kg body wt/day]; (b) computed as Log[1/TD 50 ]