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 25376 results
Search term:
MF = 'C_{13}H_{20}N_{2}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
13228232
zoom
C
13
H
20
N
2
O
3
252.3095
82
54
0
0
11289283
zoom
C
13
H
20
N
2
O
3
252.3095
68
47
0
0
566256
- 0/1 defined
zoom
C
13
H
20
N
2
O
3
252.3095
60
38
0
0
2400453
- 0/2 defined
zoom
C
13
H
20
N
2
O
3
252.3095
59
40
0
0
2052267
- 0/1 defined
zoom
C
13
H
20
N
2
O
3
252.3095
56
32
0
2
21329258
zoom
C
13
H
20
N
2
O
3
252.3095
52
35
0
0
61406
zoom
C
13
H
20
N
2
O
3
252.3095
52
57
0
2
16497592
zoom
C
13
H
20
N
2
O
3
252.3095
52
40
0
0
9120134
zoom
C
13
H
20
N
2
O
3
252.3095
49
24
0
0
16497591
zoom
C
13
H
20
N
2
O
3
252.3095
47
33
0
0
21475906
zoom
C
13
H
20
N
2
O
3
252.3095
39
32
0
0
20572115
- 0/1 defined
zoom
C
13
H
20
N
2
O
3
252.3095
39
36
0
0
9732656
zoom
C
13
H
20
N
2
O
3
252.3095
34
23
0
0
110389
zoom
C
13
H
20
N
2
O
3
252.3095
33
32
0
0
665779
- 0/4 defined
zoom
C
13
H
20
N
2
O
3
252.3095
33
20
0
0
24582152
- 0/1 defined
zoom
C
13
H
20
N
2
O
3
252.3095
33
21
0
0
26468522
- 0/1 defined
zoom
C
13
H
20
N
2
O
3
252.3095
33
27
0
0
8213423
zoom
C
13
H
20
N
2
O
3
252.3095
31
25
0
0
25490726
zoom
C
13
H
20
N
2
O
3
252.3095
30
20
0
0
1593035
zoom
C
13
H
20
N
2
O
3
252.3095
28
16
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement