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 16680 results
Search term:
MF = 'C_{19}H_{19}N_{3}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
144217
- 1/1 defined
zoom
C
19
H
19
N
3
O
3
337.3725
71
73
0
0
37999268
zoom
C
19
H
19
N
3
O
3
337.3725
46
46
0
0
2552559
zoom
C
19
H
19
N
3
O
3
337.3725
41
33
0
0
12922642
zoom
C
19
H
19
N
3
O
3
337.3725
40
32
0
0
112581
- 0/1 defined
zoom
C
19
H
19
N
3
O
3
337.3725
37
58
0
0
506333
- 0/1 defined
zoom
C
19
H
19
N
3
O
3
337.3725
37
35
0
0
28611826
- 0/1 defined
zoom
C
19
H
19
N
3
O
3
337.3725
35
27
0
0
21267594
zoom
C
19
H
19
N
3
O
3
337.3725
32
24
0
0
608579
zoom
C
19
H
19
N
3
O
3
337.3725
32
17
0
0
21805256
zoom
C
19
H
19
N
3
O
3
337.3725
30
25
0
0
12551337
zoom
C
19
H
19
N
3
O
3
337.3725
30
22
0
0
4185455
- 0/1 defined
zoom
C
19
H
19
N
3
O
3
337.37246
30
19
0
0
645744
zoom
C
19
H
19
N
3
O
3
337.3725
28
17
0
0
649350
zoom
C
19
H
19
N
3
O
3
337.3725
28
14
0
0
4458865
zoom
C
19
H
19
N
3
O
3
337.37246
27
17
0
0
2192691
zoom
C
19
H
19
N
3
O
3
337.37246
27
17
0
0
727580
zoom
C
19
H
19
N
3
O
3
337.3725
26
15
0
0
746269
- 1/1 defined
zoom
C
19
H
19
N
3
O
3
337.3725
26
22
0
0
624773
zoom
C
19
H
19
N
3
O
3
337.3725
26
14
0
0
579187
zoom
C
19
H
19
N
3
O
3
337.3725
26
17
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement