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 442 results
Search term:
MF = 'C_{19}H_{20}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2689372
zoom
C
19
H
20
248.3621
45
27
0
0
532944
zoom
C
19
H
20
248.3621
32
23
0
0
3602607
zoom
C
19
H
20
248.3621
28
19
0
0
124724
zoom
C
19
H
20
248.3621
18
18
0
0
300503
zoom
C
19
H
20
248.3621
16
14
0
0
1376594
zoom
C
19
H
20
248.3621
13
11
0
0
2910760
zoom
C
19
H
20
248.3621
12
10
0
0
27318568
zoom
C
19
H
20
248.3621
11
7
0
0
128152
- 0/2 defined
zoom
C
19
H
20
248.3621
9
11
0
0
4275390
zoom
C
19
H
20
248.3621
8
6
0
0
57566666
zoom
C
19
H
20
248.3621
7
5
0
0
4935939
zoom
C
19
H
20
248.3621
6
6
0
0
519177
zoom
C
19
H
20
248.3621
6
6
0
0
125908
zoom
C
19
H
20
248.3621
5
6
0
5
4719122
zoom
C
19
H
20
248.3621
5
4
0
0
28409630
zoom
C
19
H
20
248.3621
5
4
0
0
28703057
- 0/1 defined
zoom
C
19
H
20
248.3621
5
5
0
0
28714541
zoom
C
19
H
20
248.3621
5
4
0
0
28719598
zoom
C
19
H
20
248.3621
4
3
0
0
9966233
zoom
C
19
H
20
248.3621
4
3
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement