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 1030 results
Search term:
MF = 'C_{18}H_{20}Cl_{2}N_{2}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
389867
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
34
32
0
0
2131321
- 0/1 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
27
20
0
0
2140035
- 0/1 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
26
17
0
0
515915
- 0/3 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
17
11
0
0
2089057
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
16
11
0
0
3969836
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
14
9
0
0
4063854
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
14
9
0
0
21642736
- 0/1 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
14
13
0
0
4172159
- 0/4 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
13
7
0
0
12724059
- 0/2 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
13
12
0
0
12922498
- 0/1 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
13
11
0
0
28610718
- 0/1 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
13
8
0
0
3992663
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
12
8
0
0
25953779
- 0/1 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
11
7
0
0
25953780
- 0/1 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
11
7
0
0
27330020
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
10
8
0
0
6318524
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
10
7
0
0
6488505
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
10
6
0
0
1802567
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
10
7
0
0
3979619
- 0/1 defined
zoom
C
18
H
20
Cl
2
N
2
O
3
383.269
10
7
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement