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 54 results
Search term:
MF = 'C_{4}H_{3}ClN_{2}O'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
221565
zoom
C
4
H
3
ClN
2
O
130.5324
148
98
3
8
318119
zoom
C
4
H
3
ClN
2
O
130.5324
134
75
0
5
97627
zoom
C
4
H
3
ClN
2
O
130.5324
121
90
9
3
13308317
zoom
C
4
H
3
ClN
2
O
130.5324
117
53
0
0
10492298
zoom
C
4
H
3
ClN
2
O
130.5324
104
59
0
0
11496766
zoom
C
4
H
3
ClN
2
O
130.5324
92
59
0
0
14487000
zoom
C
4
H
3
ClN
2
O
130.5324
89
61
0
1
11391647
zoom
C
4
H
3
ClN
2
O
130.5324
85
53
0
2
13592896
zoom
C
4
H
3
ClN
2
O
130.5324
81
49
0
1
2507283
zoom
C
4
H
3
ClN
2
O
130.5324
80
47
0
0
2041757
zoom
C
4
H
3
ClN
2
O
130.5324
79
55
0
0
26528203
zoom
C
4
H
3
ClN
2
O
130.5324
63
41
0
0
11494785
zoom
C
4
H
3
ClN
2
O
130.5324
56
44
0
0
303986
zoom
C
4
H
3
ClN
2
O
130.5324
49
44
0
2
11284224
zoom
C
4
H
3
ClN
2
O
130.5324
45
33
0
0
11667246
zoom
C
4
H
3
ClN
2
O
130.5324
33
20
0
0
11240003
zoom
C
4
H
3
ClN
2
O
130.5324
32
23
0
0
13823142
zoom
C
4
H
3
ClN
2
O
130.5324
29
20
0
0
28601545
zoom
C
4
H
3
ClN
2
O
130.5324
29
21
0
0
8948708
zoom
C
4
H
3
ClN
2
O
130.5324
25
19
0
0
1
2
3
Advertisement
Advertisement
Spotlight
Advertisement