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ChemSpider
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Structure
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Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
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(example: 123 ± 1)
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Nominal Mass:
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+H+
+2H+
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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
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Monoisotopic Mass:
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M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
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M+acetate
M-.
M+Cl
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Found 120 results
Search term:
MF = 'C_{21}H_{40}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
56394
- 0/1 defined
zoom
C
21
H
40
O
3
340.5405
60
82
0
0
7973809
- 0/1 defined
zoom
C
21
H
40
O
3
340.5405
35
31
0
0
76229
zoom
C
21
H
40
O
3
340.5405
23
24
0
0
4532494
zoom
C
21
H
40
O
3
340.5405
22
24
0
0
86070
- 0/1 defined
zoom
C
21
H
40
O
3
340.5405
17
15
0
0
4938442
- 0/1 defined
zoom
C
21
H
40
O
3
340.5405
16
17
0
0
4945932
- 1/1 defined
zoom
C
21
H
40
O
3
340.5405
16
18
0
1
9465759
- 1/1 defined
zoom
C
21
H
40
O
3
340.5405
16
11
0
0
28295901
- 1/1 defined
zoom
C
21
H
40
O
3
340.5405
15
14
0
0
4516588
zoom
C
21
H
40
O
3
340.5405
12
14
0
0
197658
- 0/1 defined
zoom
C
21
H
40
O
3
340.5405
11
9
0
0
4438007
- 0/2 defined
zoom
C
21
H
40
O
3
340.540500000001
11
9
0
0
4438008
- 0/2 defined
zoom
C
21
H
40
O
3
340.540500000001
11
9
0
0
8060060
- 0/1 defined
zoom
C
21
H
40
O
3
340.5405
10
12
0
0
4575547
zoom
C
21
H
40
O
3
340.5405
9
8
0
0
258117
zoom
C
21
H
40
O
3
340.5405
9
7
0
0
469090
zoom
C
21
H
40
O
3
340.5405
8
8
0
0
520118
zoom
C
21
H
40
O
3
340.5405
7
7
0
0
4509606
zoom
C
21
H
40
O
3
340.5405
6
6
0
0
30647267
- 0/1 defined
zoom
C
21
H
40
O
3
340.5405
5
4
0
0
1
2
3
4
5
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