Jump to main content
Jump to site nav
Home
About us
Membership & professional community
Campaigning & outreach
Journals, books & databases
Teaching & learning
News & events
Locations & contacts
Home
About us
Web APIs
Help
Sign in
ChemSpider
Search and share chemistry
Simple
Structure
Advanced
History
Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
to
±
(example: 123 ± 1)
min/max
+/-
Nominal Mass:
to
±
-2H+
-H+
+H+
+2H+
min/max
+/-
Average Mass:
to
±
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:
to
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Search
Search Hits Limit:
100
1000
10000
Filter
Single/Multi-component
Search Any
Search Single-Component Structures Only
Search Multi-Component Structures Only
Isotopically Labeled
Search Any
Search Isotopically Labeled Structures Only
Disregard Isotopically Labeled Structures
Additional Filters
Filter only those having analytical data
Found 3636 results
Search term:
MF = 'C_{20}H_{29}N_{5}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
5437
zoom
C
20
H
29
N
5
O
3
387.476
109
528
627
0
64960
zoom
C
20
H
29
N
5
O
3
387.476
24
34
0
0
2257134
- 0/2 defined
zoom
C
20
H
29
N
5
O
3
387.47596
20
23
0
0
2888835
zoom
C
20
H
29
N
5
O
3
387.47596
19
21
0
0
17587250
- 0/1 defined
zoom
C
20
H
29
N
5
O
3
387.476
18
22
0
0
17587245
- 0/1 defined
zoom
C
20
H
29
N
5
O
3
387.476
16
19
0
0
31045894
zoom
C
20
H
29
N
5
O
3
387.476
16
21
0
0
11062616
zoom
C
20
H
29
N
5
O
3
387.476
16
17
0
0
11159269
- 0/1 defined
zoom
C
20
H
29
N
5
O
3
387.476
16
18
0
0
12903810
- 0/1 defined
zoom
C
20
H
29
N
5
O
3
387.476
14
15
0
0
1236096
zoom
C
20
H
29
N
5
O
3
387.476
14
15
0
0
21633307
zoom
C
20
H
29
N
5
O
3
387.476
14
15
0
0
21633322
zoom
C
20
H
29
N
5
O
3
387.476
14
15
0
0
21633342
zoom
C
20
H
29
N
5
O
3
387.476
14
15
0
0
26044845
zoom
C
20
H
29
N
5
O
3
387.476
14
17
0
0
13144369
zoom
C
20
H
29
N
5
O
3
387.476
13
14
0
0
6021694
- 1/1 defined
zoom
C
20
H
29
N
5
O
3
387.476
13
14
0
0
6334933
zoom
C
20
H
29
N
5
O
3
387.476
13
14
0
0
7720855
zoom
C
20
H
29
N
5
O
3
387.476
12
13
0
0
7732625
zoom
C
20
H
29
N
5
O
3
387.476
12
13
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement