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 1889 results
Search term:
MF = 'C_{21}H_{22}N_{6}O'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
28518072
- 2/2 defined
zoom
C
21
H
22
N
6
O
374.439
50
61
0
0
4778393
- 0/1 defined
zoom
C
21
H
22
N
6
O
374.439
21
22
0
0
1110947
zoom
C
21
H
22
N
6
O
374.439
19
22
0
0
3311719
- 0/1 defined
zoom
C
21
H
22
N
6
O
374.439
18
19
0
0
4649713
- 0/1 defined
zoom
C
21
H
22
N
6
O
374.439
18
23
0
0
577406
zoom
C
21
H
22
N
6
O
374.439
18
18
0
0
577335
zoom
C
21
H
22
N
6
O
374.439
16
18
0
0
5501170
zoom
C
21
H
22
N
6
O
374.439
16
18
0
0
5501171
zoom
C
21
H
22
N
6
O
374.439
16
18
0
0
12263432
zoom
C
21
H
22
N
6
O
374.439
16
19
0
0
12263433
zoom
C
21
H
22
N
6
O
374.439
15
18
0
0
12263711
zoom
C
21
H
22
N
6
O
374.439
15
17
0
0
12263721
zoom
C
21
H
22
N
6
O
374.439
15
18
0
0
12210506
- 0/1 defined
zoom
C
21
H
22
N
6
O
374.43898
15
17
0
0
21362067
zoom
C
21
H
22
N
6
O
374.439
15
19
0
0
21858089
zoom
C
21
H
22
N
6
O
374.439
15
17
0
0
18414917
zoom
C
21
H
22
N
6
O
374.439
14
16
0
0
18414919
zoom
C
21
H
22
N
6
O
374.439
14
16
0
0
18414924
zoom
C
21
H
22
N
6
O
374.439
14
16
0
0
21081010
zoom
C
21
H
22
N
6
O
374.439
14
16
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement