TEST5.1.3 results for DTXCID90676955 for TEST

TEST Model Calculation Details: Bioconcentration Factor

Structural image of 2,3-Dichloro-5-ethenylpyridine

Chemical Identifiers

Preferred name: 2,3-Dichloro-5-ethenylpyridine
DTXSID: DTXSID20726210
DTXCID: DTXCID90676955
CASRN: 1001193-62-9
Molecular weight: 174.02

Model Results

Model name: TEST_BCF
Model source: TEST5.1.3
Property name: Bioconcentration Factor
Property description: Bioconcentration factor: the ratio of the chemical concentration in fish as a result of absorption via the respiratory surface to that in water at steady state
N/A
44.1 L/kg
Compound is inside TEST applicability domains

Consensus predictions

Predictions used in consensus prediction
Method	Predicted value log10(L/kg)
Hierarchical clustering	1.42
Single model	1.98
Group contribution	2.08
Nearest neighbor	1.10
Consensus	1.64

Model Performance

Histogram of Bioconcentration Factor Data

Consensus model statistics
Training (80%)				Test (20%)
R²	RMSE	MAE	Coverage	R²	RMSE	MAE	Coverage
0.85	0.54	0.42	1.00	0.75	0.67	0.52	0.93

Nearest Neighbors from Test Set

Prediction results for nearest neighbors from the test set

Results for entire set vs
results for similar chemicals
Chemicals	MAE*
Entire set	0.52
Similarity coefficient ≥ 0.5	0.34

*Mean absolute error in log10(L/kg)

Color legend
Color	Range*
	SC ≥ 0.9
	0.8 ≤ SC < 0.9
	0.7 ≤ SC < 0.8
	0.6 ≤ SC < 0.7
	0.6 < SC

*SC = similarity coefficient

Neighbor values in **log10(L/kg)**
Test chemical Measured: N/A Predicted: 1.64 2,3-Dichloro-5-ethenylpyridine	Similarity: 0.62 Measured: 2.96 Predicted: 2.70 2,3,4-Trichloroanisole	Similarity: 0.62 Measured: 2.78 Predicted: 2.68 Benzene, 1,2,4-trichloro-5-methoxy-	Similarity: 0.54 Measured: 1.06 Predicted: 1.26 2-Chlorophenol	Similarity: 0.53 Measured: 1.02 Predicted: 0.375 2-Aminopyridine	Similarity: 0.52 Measured: 1.84 Predicted: 2.23 4-Chlorotoluene
Similarity: 0.51 Measured: 1.51 Predicted: 1.26 2-Bromophenol	Similarity: 0.51 Measured: 0.880 Predicted: 1.07 1,1-Dichloroethylene	Similarity: 0.51 Measured: 0.310 Predicted: 1.02 3-Chloroaniline	Similarity: 0.51 Measured: 1.08 Predicted: 1.38 3-Chlorophenol

Nearest Neighbors from Training Set

Prediction results for nearest neighbors from the training set

Results for entire set vs
results for similar chemicals
Chemicals	MAE*
Entire set	0.42
Similarity coefficient ≥ 0.5	0.38

*Mean absolute error in log10(L/kg)

Color legend
Color	Range*
	SC ≥ 0.9
	0.8 ≤ SC < 0.9
	0.7 ≤ SC < 0.8
	0.6 ≤ SC < 0.7
	0.6 < SC

*SC = similarity coefficient

Neighbor values in **log10(L/kg)**
Test chemical Measured: N/A Predicted: 1.64 2,3-Dichloro-5-ethenylpyridine	Similarity: 0.80 Measured: 1.91 Predicted: 1.07 4-Vinylpyridine	Similarity: 0.59 Measured: 0.779 Predicted: 1.17 2-Chloropyridine	Similarity: 0.57 Measured: 0.604 Predicted: 1.11 3,4-Dichloro-1-butene	Similarity: 0.56 Measured: 2.81 Predicted: 2.68 2,4,6-Trichloroanisole	Similarity: 0.56 Measured: 1.13 Predicted: 1.05 Isoprene
Similarity: 0.55 Measured: 3.35 Predicted: 2.93 2,3,4,5-Tetrachloroanisole	Similarity: 0.55 Measured: 0.559 Predicted: 1.40 2-Chloro-5-methylphenol	Similarity: 0.55 Measured: 3.09 Predicted: 2.71 Benzene, 1,2,5-trichloro-3-methoxy-	Similarity: 0.55 Measured: 1.92 Predicted: 1.90 4,5-Dichloroguaiacol	Similarity: 0.54 Measured: 2.53 Predicted: 2.72 2,3,6-Trichloroanisole