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 515 results
Search term:
MF = 'C_{20}H_{16}BrN_{3}O_{2}S'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
892101
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
26
19
0
0
2114566
- 0/1 defined
zoom
C
20
H
16
BrN
3
O
2
S
442.32894
23
16
0
0
1670875
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
23
17
0
0
2212255
- 0/1 defined
zoom
C
20
H
16
BrN
3
O
2
S
442.32894
22
12
0
0
2374408
- 0/1 defined
zoom
C
20
H
16
BrN
3
O
2
S
442.32894
22
15
0
0
3061506
- 0/1 defined
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
22
13
0
0
899026
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
22
15
0
0
996205
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
22
14
0
0
996214
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
22
13
0
0
1455686
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
21
18
0
0
1661099
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
21
15
0
0
1708485
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
20
17
0
0
1455870
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
20
17
0
0
961256
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
20
12
0
0
1233366
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
20
14
0
0
1271252
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
20
14
0
0
1295485
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
18
9
0
0
1493934
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
18
13
0
0
1307896
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
17
12
0
0
1455685
zoom
C
20
H
16
BrN
3
O
2
S
442.3289
17
12
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement