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 20 results
Search term:
MF = 'C_{5}H_{2}Br_{2}N_{2}O_{2}'
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
263597
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
134
70
0
19
482680
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
120
59
0
19
1013228
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
115
57
0
8
13167316
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
108
54
0
34
1013267
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
93
55
0
27
17257751
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
89
47
0
11
24598753
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
81
46
0
0
20193171
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
71
39
0
13
1013265
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
63
38
0
30
28599980
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
52
37
0
0
57411004
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
9
6
0
0
57332209
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
5
4
0
0
57372108
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
4
3
0
0
61251941
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
4
3
0
0
61251943
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
4
2
0
0
52990018
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
4
2
0
0
61251942
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
3
2
0
0
60776568
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
2
2
0
0
61146359
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
1
1
0
0
96961539
zoom
C
5
H
2
Br
2
N
2
O
2
281.8896
1
1
0
0
Advertisement
Advertisement
Spotlight
Advertisement