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 846 results
Search term:
MF = 'C_{21}H_{18}N_{6}O'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4577762
zoom
C
21
H
18
N
6
O
370.4072
23
17
0
0
4088462
zoom
C
21
H
18
N
6
O
370.40722
22
13
0
0
6338895
zoom
C
21
H
18
N
6
O
370.4072
21
15
0
0
1095633
zoom
C
21
H
18
N
6
O
370.4072
21
16
0
0
1096289
zoom
C
21
H
18
N
6
O
370.4072
21
14
0
0
1070245
zoom
C
21
H
18
N
6
O
370.4072
21
13
0
0
1526460
zoom
C
21
H
18
N
6
O
370.4072
21
10
0
0
1096630
zoom
C
21
H
18
N
6
O
370.4072
20
14
0
0
1090791
zoom
C
21
H
18
N
6
O
370.4072
19
14
0
0
1090956
zoom
C
21
H
18
N
6
O
370.4072
19
16
0
0
17480104
zoom
C
21
H
18
N
6
O
370.4072
19
14
0
0
17489387
zoom
C
21
H
18
N
6
O
370.4072
19
14
0
0
21529059
zoom
C
21
H
18
N
6
O
370.4072
19
13
0
0
1449162
zoom
C
21
H
18
N
6
O
370.4072
19
10
0
0
2487909
- 0/1 defined
zoom
C
21
H
18
N
6
O
370.4072
19
13
0
0
4154532
zoom
C
21
H
18
N
6
O
370.40722
18
12
0
0
1527231
zoom
C
21
H
18
N
6
O
370.4072
18
10
0
0
1236085
zoom
C
21
H
18
N
6
O
370.4072
18
11
0
0
6335658
zoom
C
21
H
18
N
6
O
370.4072
18
13
0
0
6334600
zoom
C
21
H
18
N
6
O
370.4072
17
12
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement