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 281 results
Search term:
MF = 'C_{4}H_{9}NO_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
116
zoom
C
4
H
9
NO
2
103.1198
218
24672
44404
410
5891
zoom
C
4
H
9
NO
2
103.1198
188
1355
25
197
653
zoom
C
4
H
9
NO
2
103.1198
176
363
307
121
6405
- 0/1 defined
zoom
C
4
H
9
NO
2
103.1198
165
464
18429
618
72524
- 1/1 defined
zoom
C
4
H
9
NO
2
103.1198
149
175
0
52
388757
- 1/1 defined
zoom
C
4
H
9
NO
2
103.1198
144
135
0
5
10469
- 0/1 defined
zoom
C
4
H
9
NO
2
103.1198
137
184
3
16
58481
- 0/1 defined
zoom
C
4
H
9
NO
2
103.1198
127
360
167
24
468140
zoom
C
4
H
9
NO
2
103.1198
116
77
5
6
8542
zoom
C
4
H
9
NO
2
103.1198
107
91
3
98
10444
zoom
C
4
H
9
NO
2
103.1198
107
133
23
170
2042235
- 1/1 defined
zoom
C
4
H
9
NO
2
103.11976
103
58
0
6
4450824
- 1/1 defined
zoom
C
4
H
9
NO
2
103.1198
102
151
15
57
4646013
- 1/1 defined
zoom
C
4
H
9
NO
2
103.1198
98
61
0
13
4224
- 0/1 defined
zoom
C
4
H
9
NO
2
103.1198
97
140
93
111
10530
zoom
C
4
H
9
NO
2
103.1198
96
107
61
256
74931
zoom
C
4
H
9
NO
2
103.1198
93
65
8
4
10493
zoom
C
4
H
9
NO
2
103.1198
93
136
79
24
11803
zoom
C
4
H
9
NO
2
103.1198
91
86
18
18
280126
zoom
C
4
H
9
NO
2
103.1198
90
98
12
15
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement