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 103 results
Search term:
MF = 'C_{4}H_{4}N_{2}OS'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1066108
zoom
C
4
H
4
N
2
OS
128.1524
176
940
591
153
2019429
zoom
C
4
H
4
N
2
OS
128.15236
141
78
0
1
2016146
zoom
C
4
H
4
N
2
OS
128.15236
107
135
69
45
2051743
zoom
C
4
H
4
N
2
OS
128.15236
88
53
0
0
392961
zoom
C
4
H
4
N
2
OS
128.1524
83
60
2
4
10611247
zoom
C
4
H
4
N
2
OS
128.1524
82
50
0
0
2286022
zoom
C
4
H
4
N
2
OS
128.1524
71
51
0
0
22529532
zoom
C
4
H
4
N
2
OS
128.1524
70
43
0
1
19029831
zoom
C
4
H
4
N
2
OS
128.1524
69
38
0
0
26327785
zoom
C
4
H
4
N
2
OS
128.1524
57
37
0
0
208554
zoom
C
4
H
4
N
2
OS
128.1524
55
34
0
0
15114527
zoom
C
4
H
4
N
2
OS
128.1524
55
35
0
0
2078253
zoom
C
4
H
4
N
2
OS
128.15236
54
37
0
0
2043977
zoom
C
4
H
4
N
2
OS
128.15236
49
31
0
0
28540096
zoom
C
4
H
4
N
2
OS
128.1524
41
32
0
0
2966333
zoom
C
4
H
4
N
2
OS
128.15236
37
27
0
0
2018904
zoom
C
4
H
4
N
2
OS
128.15236
32
19
0
0
505729
zoom
C
4
H
4
N
2
OS
128.1524
24
24
0
0
28544460
zoom
C
4
H
4
N
2
OS
128.1524
24
18
0
0
28536709
zoom
C
4
H
4
N
2
OS
128.1524
17
18
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement