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 32067 results
Search term:
MF = 'C_{19}H_{24}N_{4}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4573
zoom
C
19
H
24
N
4
O
2
340.4195
130
1240
1885
53
270190
zoom
C
19
H
24
N
4
O
2
340.4195
36
21
0
0
633852
zoom
C
19
H
24
N
4
O
2
340.4195
31
22
0
0
1569832
zoom
C
19
H
24
N
4
O
2
340.4195
29
19
0
0
1765639
zoom
C
19
H
24
N
4
O
2
340.4195
28
17
0
0
2415071
zoom
C
19
H
24
N
4
O
2
340.4195
26
16
0
0
2180125
- 0/1 defined
zoom
C
19
H
24
N
4
O
2
340.41946
25
18
0
0
1288048
zoom
C
19
H
24
N
4
O
2
340.4195
23
12
0
0
2165444
zoom
C
19
H
24
N
4
O
2
340.41946
22
14
0
0
699200
zoom
C
19
H
24
N
4
O
2
340.4195
22
16
0
0
573292
zoom
C
19
H
24
N
4
O
2
340.4195
22
14
0
0
525486
zoom
C
19
H
24
N
4
O
2
340.4195
21
15
0
0
1521775
zoom
C
19
H
24
N
4
O
2
340.4195
21
11
0
0
2261972
- 0/1 defined
zoom
C
19
H
24
N
4
O
2
340.41946
21
14
0
0
4087229
zoom
C
19
H
24
N
4
O
2
340.41946
21
14
0
0
4674595
zoom
C
19
H
24
N
4
O
2
340.4195
21
16
0
0
6919807
zoom
C
19
H
24
N
4
O
2
340.4195
21
17
0
0
2474469
- 0/1 defined
zoom
C
19
H
24
N
4
O
2
340.4195
21
15
0
0
2745690
zoom
C
19
H
24
N
4
O
2
340.41946
21
12
0
0
4002524
zoom
C
19
H
24
N
4
O
2
340.41946
20
16
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement