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 2586 results
Search term:
MF = 'C_{22}H_{21}N_{5}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
950623
zoom
C
22
H
21
N
5
O
4
419.4332
35
20
0
0
571562
zoom
C
22
H
21
N
5
O
4
419.4332
27
18
0
0
11969147
- 0/1 defined
zoom
C
22
H
21
N
5
O
4
419.4332
27
20
0
0
11888634
- 0/1 defined
zoom
C
22
H
21
N
5
O
4
419.4332
25
20
0
0
2221006
zoom
C
22
H
21
N
5
O
4
419.43324
25
18
0
0
1674952
zoom
C
22
H
21
N
5
O
4
419.4332
24
16
0
0
2495184
zoom
C
22
H
21
N
5
O
4
419.4332
23
15
0
0
919019
zoom
C
22
H
21
N
5
O
4
419.4332
21
13
0
0
4649990
- 0/1 defined
zoom
C
22
H
21
N
5
O
4
419.4332
21
13
0
0
2491811
- 0/1 defined
zoom
C
22
H
21
N
5
O
4
419.4332
20
13
0
0
1446577
zoom
C
22
H
21
N
5
O
4
419.4332
20
10
0
0
1900124
zoom
C
22
H
21
N
5
O
4
419.4332
19
15
0
0
3351297
zoom
C
22
H
21
N
5
O
4
419.43324
19
12
0
0
5016411
zoom
C
22
H
21
N
5
O
4
419.4332
19
10
0
0
1538567
zoom
C
22
H
21
N
5
O
4
419.4332
18
13
0
0
575837
zoom
C
22
H
21
N
5
O
4
419.4332
18
15
0
0
1428880
zoom
C
22
H
21
N
5
O
4
419.4332
18
11
0
0
4729274
- 0/1 defined
zoom
C
22
H
21
N
5
O
4
419.4332
17
10
0
0
2811318
zoom
C
22
H
21
N
5
O
4
419.43324
17
12
0
0
7899436
- 0/2 defined
zoom
C
22
H
21
N
5
O
4
419.4332
17
11
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement