Jump to main content
Jump to site nav
Home
About us
Membership & professional community
Campaigning & outreach
Journals, books & databases
Resources & tools
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_{4}H_{4}O'
1
2
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
7738
zoom
C
4
H
4
O
68.074
95
1227
3197
7838
14294
zoom
C
4
H
4
O
68.074
88
147
16
108
120622
zoom
C
4
H
4
O
68.074
22
32
2
24
126119
zoom
C
4
H
4
O
68.074
18
20
0
3
125004
zoom
C
4
H
4
O
68.074
12
13
1
1
125978
zoom
C
4
H
4
O
68.074
10
15
11
88
125370
zoom
C
4
H
4
O
68.074
8
9
0
0
126182
zoom
C
4
H
4
O
68.074
8
9
0
0
126683
zoom
C
4
H
4
O
68.074
8
10
0
0
128266
zoom
C
4
H
4
O
68.074
8
8
0
0
127820
zoom
C
4
H
4
O
68.074
7
8
0
0
125125
zoom
C
4
H
4
O
68.074
6
7
0
0
121997
zoom
C
4
H
4
O
68.074
6
7
0
199
9248485
zoom
C
4
H
4
O
68.074
2
2
0
0
19984920
zoom
C
4
H
4
O
68.074
2
2
0
0
61000607
zoom
C
4
H
4
O
68.074
1
1
0
0
67030447
zoom
C
4
H
4
O
68.074
1
2
0
0
67162069
zoom
C
4
H
4
O
68.074
1
1
0
0
371745
zoom
C
4
H
4
O
68.0751
1
1
0
0
4406146
- 0/2 defined
zoom
C
4
H
4
O
68.07396
1
1
0
0
1
2
Generate Leads
Advertisement
Advertisement
Spotlight
Advertisement