RSC
SyntheticPages
Login
Register
About
About
ChemSpider Blog
Data Sources
Advisory Group
Collaborators
Present Sponsors
More Searches
Simple search
Structure search
Advanced search
Search History
Web APIs
Help
FAQ
Help
Getting Started
Forum
SiteMap
Search
Simple
Structure
Advanced
Intrinsic properties
More searches...
Ligand screening
Chemical elements
Intrinsic properties
Predicted properties
Data slice
Molecular Formula:
Exact match only
Molecular Weight:
±
(example: 123 ± 1)
min/max
+/-
Nominal Mass:
±
-2H+
-H+
+H+
+2H+
min/max
+/-
Average Mass:
±
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:
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Options
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
Search
Search Hits Limit:
10
100
1000
10000
Loading ...
100 hits returned from a total of 378 found in 2.72 seconds.
Search terms: MF = 'C_{21}H_{31}N_{3}O_{5}'
Finished
Grid
Tile
Table
Names/Structures
Names
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4514933
- 3/3 defined
zoom
C
21
H
31
N
3
O
5
405.4879
55
131
1890
10
3800
zoom
C
21
H
31
N
3
O
5
405.4879
12
1197
0
0
4940720
zoom
C
21
H
31
N
3
O
5
405.4879
10
27
0
0
2177472
zoom
C
21
H
31
N
3
O
5
405.4879
8
8
0
0
2472406
zoom
C
21
H
31
N
3
O
5
405.4879
8
8
0
0
12542683
zoom
C
21
H
31
N
3
O
5
405.4879
8
8
0
0
2320064
zoom
C
21
H
31
N
3
O
5
405.4879
7
8
0
0
2320046
zoom
C
21
H
31
N
3
O
5
405.4879
7
8
0
0
2320048
zoom
C
21
H
31
N
3
O
5
405.4879
6
7
0
0
2320049
zoom
C
21
H
31
N
3
O
5
405.4879
6
7
0
0
2312407
zoom
C
21
H
31
N
3
O
5
405.4879
6
6
0
0
7409784
zoom
C
21
H
31
N
3
O
5
405.4879
6
6
0
0
10177352
zoom
C
21
H
31
N
3
O
5
405.4879
6
6
0
0
2671059
zoom
C
21
H
31
N
3
O
5
405.4879
6
6
0
0
10901848
zoom
C
21
H
31
N
3
O
5
405.4879
5
5
0
0
4881951
- 2/3 defined
zoom
C
21
H
31
N
3
O
5
405.4879
4
7
0
0
3161833
zoom
C
21
H
31
N
3
O
5
405.4879
4
4
0
0
10339194
zoom
C
21
H
31
N
3
O
5
405.4879
4
4
0
0
2072914
zoom
C
21
H
31
N
3
O
5
405.4879
4
4
0
0
2665698
zoom
C
21
H
31
N
3
O
5
405.4879
4
4
0
0
1
2
3
4
5
Generate Leads
Advertisements
Also from the RSC
Advertise
Sponsor