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 879 results
Search term:
MF = 'C_{19}H_{20}ClN_{5}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
7831885
zoom
C
19
H
20
ClN
5
O
3
401.8468
36
33
0
0
3868569
zoom
C
19
H
20
ClN
5
O
3
401.8468
23
13
0
0
3905423
zoom
C
19
H
20
ClN
5
O
3
401.8468
22
13
0
0
1538354
zoom
C
19
H
20
ClN
5
O
3
401.8468
22
14
0
0
899560
zoom
C
19
H
20
ClN
5
O
3
401.8468
21
13
0
0
3905792
zoom
C
19
H
20
ClN
5
O
3
401.8468
21
13
0
0
2414560
zoom
C
19
H
20
ClN
5
O
3
401.8468
21
10
0
0
2881295
zoom
C
19
H
20
ClN
5
O
3
401.8468
20
13
0
0
3906027
zoom
C
19
H
20
ClN
5
O
3
401.8468
20
12
0
0
2414559
zoom
C
19
H
20
ClN
5
O
3
401.8468
20
11
0
0
3905430
zoom
C
19
H
20
ClN
5
O
3
401.8468
20
12
0
0
3905454
zoom
C
19
H
20
ClN
5
O
3
401.8468
20
12
0
0
3905463
zoom
C
19
H
20
ClN
5
O
3
401.8468
20
12
0
0
1058774
zoom
C
19
H
20
ClN
5
O
3
401.8468
19
13
0
0
4070813
zoom
C
19
H
20
ClN
5
O
3
401.8468
19
11
0
0
4074205
zoom
C
19
H
20
ClN
5
O
3
401.8468
19
15
0
0
4078198
zoom
C
19
H
20
ClN
5
O
3
401.8468
19
11
0
0
4078891
zoom
C
19
H
20
ClN
5
O
3
401.8468
19
11
0
0
4080269
zoom
C
19
H
20
ClN
5
O
3
401.8468
19
11
0
0
4985281
zoom
C
19
H
20
ClN
5
O
3
401.8468
19
10
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement