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 8868 results
Search term:
MF = 'C_{19}H_{20}ClN_{3}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2164055
zoom
C
19
H
20
ClN
3
O
2
357.834
33
19
0
0
2164492
zoom
C
19
H
20
ClN
3
O
2
357.834
33
20
0
0
4324144
zoom
C
19
H
20
ClN
3
O
2
357.834
33
18
0
0
2164410
zoom
C
19
H
20
ClN
3
O
2
357.834
32
19
0
0
1096204
zoom
C
19
H
20
ClN
3
O
2
357.834
31
21
0
0
1224692
zoom
C
19
H
20
ClN
3
O
2
357.834
30
22
0
0
479269
zoom
C
19
H
20
ClN
3
O
2
357.834
29
31
0
0
4125146
zoom
C
19
H
20
ClN
3
O
2
357.834
28
17
0
0
17575738
zoom
C
19
H
20
ClN
3
O
2
357.834
27
17
0
0
947593
zoom
C
19
H
20
ClN
3
O
2
357.834
27
16
0
0
1239374
zoom
C
19
H
20
ClN
3
O
2
357.834
27
17
0
0
1064718
zoom
C
19
H
20
ClN
3
O
2
357.834
26
17
0
0
1085859
zoom
C
19
H
20
ClN
3
O
2
357.834
26
23
0
0
580716
zoom
C
19
H
20
ClN
3
O
2
357.834
25
14
0
0
944441
zoom
C
19
H
20
ClN
3
O
2
357.834
25
17
0
0
2266694
zoom
C
19
H
20
ClN
3
O
2
357.834
25
17
0
0
2267840
zoom
C
19
H
20
ClN
3
O
2
357.834
25
17
0
0
3363080
zoom
C
19
H
20
ClN
3
O
2
357.834
25
19
0
0
2259698
zoom
C
19
H
20
ClN
3
O
2
357.834
24
15
0
0
20701258
zoom
C
19
H
20
ClN
3
O
2
357.834
24
16
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement