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 288 results
Search term:
MF = 'C_{20}H_{15}ClN_{2}O'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
530682
- 0/1 defined
zoom
C
20
H
15
ClN
2
O
334.7989
33
23
0
0
604283
zoom
C
20
H
15
ClN
2
O
334.7989
28
19
0
0
682397
zoom
C
20
H
15
ClN
2
O
334.7989
27
18
0
0
1228176
zoom
C
20
H
15
ClN
2
O
334.7989
26
26
0
0
1228175
zoom
C
20
H
15
ClN
2
O
334.7989
25
25
0
0
2366078
- 0/1 defined
zoom
C
20
H
15
ClN
2
O
334.7989
25
14
0
0
3572750
- 0/1 defined
zoom
C
20
H
15
ClN
2
O
334.7989
21
14
0
0
4801650
zoom
C
20
H
15
ClN
2
O
334.7989
21
16
0
0
3641184
zoom
C
20
H
15
ClN
2
O
334.7989
20
18
0
0
2976016
zoom
C
20
H
15
ClN
2
O
334.7989
20
18
0
0
4307458
zoom
C
20
H
15
ClN
2
O
334.7989
19
21
0
0
624315
zoom
C
20
H
15
ClN
2
O
334.7989
19
13
0
0
2115299
- 0/1 defined
zoom
C
20
H
15
ClN
2
O
334.7989
18
13
0
0
2752509
zoom
C
20
H
15
ClN
2
O
334.7989
17
16
0
0
2928625
zoom
C
20
H
15
ClN
2
O
334.7989
17
16
0
0
4361582
zoom
C
20
H
15
ClN
2
O
334.7989
17
15
0
0
4264643
zoom
C
20
H
15
ClN
2
O
334.7989
17
15
0
0
4769066
zoom
C
20
H
15
ClN
2
O
334.7989
16
12
0
0
591057
zoom
C
20
H
15
ClN
2
O
334.7989
16
10
0
0
1228967
zoom
C
20
H
15
ClN
2
O
334.7989
16
14
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement