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 230 results
Search term:
MF = 'C_{20}H_{19}N_{7}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
32741745
zoom
C
20
H
19
N
7
357.4118
40
37
0
0
900825
zoom
C
20
H
19
N
7
357.4118
23
17
0
0
1064341
zoom
C
20
H
19
N
7
357.4118
22
16
0
0
10425397
zoom
C
20
H
19
N
7
357.4118
20
14
0
0
3963333
zoom
C
20
H
19
N
7
357.4118
16
10
0
0
2367603
zoom
C
20
H
19
N
7
357.41176
15
13
0
0
2129027
zoom
C
20
H
19
N
7
357.41176
14
9
0
0
22749705
zoom
C
20
H
19
N
7
357.4118
13
11
0
0
26034776
zoom
C
20
H
19
N
7
357.4118
13
8
0
0
7907504
zoom
C
20
H
19
N
7
357.4118
12
11
0
0
2367602
zoom
C
20
H
19
N
7
357.41176
11
5
0
0
10883441
zoom
C
20
H
19
N
7
357.4118
11
7
0
0
10950648
- 0/1 defined
zoom
C
20
H
19
N
7
357.4118
11
7
0
0
21583927
- 0/1 defined
zoom
C
20
H
19
N
7
357.4118
10
7
0
0
11137246
zoom
C
20
H
19
N
7
357.4118
9
5
0
0
57575389
zoom
C
20
H
19
N
7
357.4118
9
6
0
0
29624308
zoom
C
20
H
19
N
7
357.4118
9
8
0
0
29556280
zoom
C
20
H
19
N
7
357.4118
8
8
0
0
29584266
zoom
C
20
H
19
N
7
357.4118
8
8
0
0
29586493
zoom
C
20
H
19
N
7
357.4118
8
8
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement