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 11638 results
Search term:
MF = 'C_{13}H_{19}N_{3}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
35265
zoom
C
13
H
19
N
3
O
4
281.3077
100
281
166
14
8554428
zoom
C
13
H
19
N
3
O
4
281.3077
51
32
0
0
2058865
zoom
C
13
H
19
N
3
O
4
281.30766
49
33
0
0
2052263
zoom
C
13
H
19
N
3
O
4
281.30766
47
36
0
0
2052262
zoom
C
13
H
19
N
3
O
4
281.30766
42
36
0
0
15987556
zoom
C
13
H
19
N
3
O
4
281.3077
39
21
0
0
26457639
zoom
C
13
H
19
N
3
O
4
281.3077
35
30
0
0
28291008
zoom
C
13
H
19
N
3
O
4
281.3077
34
22
0
0
4239725
zoom
C
13
H
19
N
3
O
4
281.30766
34
31
0
0
54784
zoom
C
13
H
19
N
3
O
4
281.3077
34
35
0
0
38237330
zoom
C
13
H
19
N
3
O
4
281.3077
30
26
0
0
26231633
zoom
C
13
H
19
N
3
O
4
281.3077
29
26
0
0
21800933
zoom
C
13
H
19
N
3
O
4
281.3077
28
15
0
0
32083096
zoom
C
13
H
19
N
3
O
4
281.3077
26
23
0
0
598478
zoom
C
13
H
19
N
3
O
4
281.3077
25
15
0
0
1687532
zoom
C
13
H
19
N
3
O
4
281.3077
25
16
0
0
2045288
zoom
C
13
H
19
N
3
O
4
281.30766
24
24
0
0
596818
zoom
C
13
H
19
N
3
O
4
281.3077
23
15
0
0
2001045
zoom
C
13
H
19
N
3
O
4
281.30766
22
14
0
0
28600919
- 0/1 defined
zoom
C
13
H
19
N
3
O
4
281.3077
22
19
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement