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 41 results
Search term:
MF = 'C_{5}H_{4}Br_{2}N_{2}'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
89283
zoom
C
5
H
4
Br
2
N
2
251.9067
167
106
0
13
714345
zoom
C
5
H
4
Br
2
N
2
251.9067
152
83
0
0
538629
zoom
C
5
H
4
Br
2
N
2
251.9067
120
72
0
3
13756729
zoom
C
5
H
4
Br
2
N
2
251.9067
109
59
0
0
14219475
zoom
C
5
H
4
Br
2
N
2
251.9067
104
60
0
0
23348174
zoom
C
5
H
4
Br
2
N
2
251.9067
76
46
0
0
23348175
zoom
C
5
H
4
Br
2
N
2
251.9067
72
53
0
0
1039186
zoom
C
5
H
4
Br
2
N
2
251.9067
67
38
0
0
20193569
zoom
C
5
H
4
Br
2
N
2
251.9067
66
39
0
0
28420264
zoom
C
5
H
4
Br
2
N
2
251.9067
62
38
0
0
720272
zoom
C
5
H
4
Br
2
N
2
251.9067
62
46
0
0
28473910
zoom
C
5
H
4
Br
2
N
2
251.9067
55
38
0
0
10712085
zoom
C
5
H
4
Br
2
N
2
251.9067
50
36
0
0
15174893
zoom
C
5
H
4
Br
2
N
2
251.9067
50
39
0
0
24598732
zoom
C
5
H
4
Br
2
N
2
251.9067
50
36
0
26
367942
zoom
C
5
H
4
Br
2
N
2
251.9067
48
37
0
0
24217822
zoom
C
5
H
4
Br
2
N
2
251.9067
46
32
0
0
28638740
zoom
C
5
H
4
Br
2
N
2
251.9067
27
16
0
0
57383095
zoom
C
5
H
4
Br
2
N
2
251.9067
21
20
0
0
58179037
zoom
C
5
H
4
Br
2
N
2
251.9067
20
20
0
0
1
2
3
Advertisement
Advertisement
Spotlight
Advertisement