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 908 results
Search term:
MF = 'C_{19}H_{14}N_{4}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
855401
zoom
C
19
H
14
N
4
O
4
362.3389
31
25
0
0
919579
zoom
C
19
H
14
N
4
O
4
362.3389
28
14
0
0
192175
zoom
C
19
H
14
N
4
O
4
362.3389
27
20
0
0
8060979
zoom
C
19
H
14
N
4
O
4
362.3389
25
23
0
0
855402
zoom
C
19
H
14
N
4
O
4
362.3389
24
17
0
0
1065010
zoom
C
19
H
14
N
4
O
4
362.3389
24
17
0
0
491799
- 0/1 defined
zoom
C
19
H
14
N
4
O
4
362.3389
23
17
0
0
1064656
zoom
C
19
H
14
N
4
O
4
362.3389
22
14
0
0
7186133
zoom
C
19
H
14
N
4
O
4
362.3389
20
16
0
0
1084817
zoom
C
19
H
14
N
4
O
4
362.3389
20
15
0
0
2156752
zoom
C
19
H
14
N
4
O
4
362.33886
20
15
0
0
2914802
zoom
C
19
H
14
N
4
O
4
362.33886
20
14
0
0
3805089
zoom
C
19
H
14
N
4
O
4
362.33886
20
13
0
0
927166
zoom
C
19
H
14
N
4
O
4
362.3389
20
13
0
0
948786
zoom
C
19
H
14
N
4
O
4
362.3389
19
13
0
0
1026259
zoom
C
19
H
14
N
4
O
4
362.3389
19
11
0
0
1035170
zoom
C
19
H
14
N
4
O
4
362.3389
19
14
0
0
4496307
zoom
C
19
H
14
N
4
O
4
362.3389
19
15
0
0
1240766
zoom
C
19
H
14
N
4
O
4
362.3389
19
13
0
0
4602368
zoom
C
19
H
14
N
4
O
4
362.3389
18
12
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement