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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
min/max
+/-
Monoisotopic Mass:
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M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
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M-H
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M-.
M+Cl
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Found 318 results
Search term:
MF = 'C_{21}H_{21}N_{5}O_{5}S_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1423038
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
25
19
0
0
1738198
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
17
10
0
0
4743714
- 0/1 defined
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
17
9
0
0
4794802
- 0/1 defined
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
17
10
0
0
4804228
- 0/1 defined
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
17
11
0
0
4861987
- 0/1 defined
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
17
10
0
0
1812384
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
15
8
0
0
2271078
zoom
C
21
H
21
N
5
O
5
S
2
487.55194
15
10
0
0
2488104
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
15
12
0
0
1665965
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
14
10
0
0
7829087
- 0/1 defined
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
14
11
0
0
4705456
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
14
9
0
0
4705457
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
14
9
0
0
12808273
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
13
10
0
0
1825026
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
13
9
0
0
2489231
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
13
10
0
0
4670261
- 0/1 defined
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
12
12
0
0
20751286
- 0/1 defined
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
12
9
0
0
20894031
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
12
9
0
0
21091969
zoom
C
21
H
21
N
5
O
5
S
2
487.5519
12
10
0
0
1
2
3
4
5
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