pKa values
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Compound classes
(1120 results, 26 to 50 shown)
Name
Formula
pKa
1
(E)-2-methyl-2-pentenoic acid
C
6
H
10
O
2
5.13
(E)-2-methylbut-2-enoic acid
C
5
H
8
O
2
4.96
(E)-3-(2-bromophenyl)prop-2-enoic acid
C
9
H
7
BrO
2
4.41
(E)-3-(2-hydroxyphenyl)prop-2-enoic acid
C
9
H
8
O
3
4.61
(E)-3-(2-nitrophenyl)prop-2-enoic acid
C
9
H
7
NO
4
4.15
(E)-3-(3-hydroxyphenyl)prop-2-enoic acid
C
9
H
8
O
3
4.40
(E)-3-(4-methoxyphenyl)prop-2-enoic acid
C
10
H
10
O
3
4.54
(E)-3-chloroprop-2-enoic acid
C
3
H
3
ClO
2
3.65
(E)-4,4,4-trifluorobut-2-enoic acid
C
4
H
3
F
3
O
2
3.35
(E)-4-methyl-2-pentenoic acid
C
6
H
10
O
2
4.70
(E)-but-2-enoic acid
C
4
H
6
O
2
4.69
(E)-butenedioic acid
C
4
H
4
O
4
3.03
(E)-hex-3-enoic acid
C
6
H
10
O
2
4.52
(E)-pent-2-enedioic acid
C
5
H
6
O
4
3.77
(R,R)-tartaric acid
C
4
H
6
O
6
3.04
(R,S)-2,3-diphenylsuccinic acid
C
16
H
14
O
4
3.48
(S)-(-)-2-pyrrolidone-5-carboxylic acid
C
5
H
7
NO
3
3.32
(S)-mandelic acid
C
8
H
8
O
3
3.41
(trimethylsilyl)acetic acid
C
5
H
12
O
2
Si
5.22
(Z)-2-methyl-2-pentenoic acid
C
6
H
10
O
2
5.15
(Z)-2-methylbut-2-enoic acid
C
5
H
8
O
2
4.29
(Z)-3-chloroprop-2-enoic acid
C
3
H
3
ClO
2
3.32
(Z)-butenedioic acid
C
4
H
4
O
4
1.83
1,1-cyclopropanedicarboxylic acid
C
5
H
6
O
4
1.82
1,2,3,4-tetrazole
CH
2
N
4
4.70
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