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 21 results
Search term:
MF = 'C_{7}H_{4}O_{3}'
1
2
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
67663
zoom
C
7
H
4
O
3
136.1049
80
58
0
2
9334452
zoom
C
7
H
4
O
3
136.1049
33
30
0
0
13642147
zoom
C
7
H
4
O
3
136.1049
26
23
0
110
35484945
zoom
C
7
H
4
O
3
136.1049
16
12
0
0
126482
zoom
C
7
H
4
O
3
136.1049
12
12
0
0
127231
zoom
C
7
H
4
O
3
136.1049
11
9
0
0
13642157
zoom
C
7
H
4
O
3
136.1049
11
8
0
0
9632564
zoom
C
7
H
4
O
3
136.1049
11
9
0
0
8758214
zoom
C
7
H
4
O
3
136.1049
5
3
0
0
26995509
zoom
C
7
H
4
O
3
136.1049
2
2
0
0
60738191
zoom
C
7
H
4
O
3
136.1049
2
1
0
0
61148237
zoom
C
7
H
4
O
3
136.1049
2
2
0
0
68905602
zoom
C
7
H
4
O
3
136.1049
2
1
0
0
72411394
zoom
C
7
H
4
O
3
136.1049
1
1
0
0
85650453
zoom
C
7
H
4
O
3
136.1049
1
1
0
0
95607876
zoom
C
7
H
4
O
3
136.106
1
1
0
0
67166984
zoom
C
7
H
4
O
3
136.1049
1
1
0
0
29336752
- 0/1 defined
zoom
C
7
H
4
O
3
136.1049
1
1
0
0
29434995
zoom
C
7
H
4
O
3
136.1049
1
1
0
0
10597789
zoom
C
7
H
4
O
3
136.106
1
1
0
0
1
2
Advertisement
Advertisement
Spotlight
Advertisement