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 453 results
Search term:
MF = 'C_{19}H_{28}O_{5}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
21402709
zoom
C
19
H
28
O
5
336.4226
33
27
0
0
21402712
zoom
C
19
H
28
O
5
336.4226
32
26
0
0
21402703
zoom
C
19
H
28
O
5
336.4226
31
27
0
0
21402706
zoom
C
19
H
28
O
5
336.4226
31
27
0
0
21402700
zoom
C
19
H
28
O
5
336.4226
29
25
0
0
9647986
zoom
C
19
H
28
O
5
336.4226
24
14
0
0
703930
zoom
C
19
H
28
O
5
336.4226
17
9
0
0
2197278
zoom
C
19
H
28
O
5
336.42262
16
11
0
0
2120325
zoom
C
19
H
28
O
5
336.42262
13
9
0
0
2120326
zoom
C
19
H
28
O
5
336.42262
12
8
0
0
2120567
zoom
C
19
H
28
O
5
336.42262
12
8
0
0
1669827
zoom
C
19
H
28
O
5
336.4226
12
8
0
0
1669891
zoom
C
19
H
28
O
5
336.4226
12
8
0
0
4164909
zoom
C
19
H
28
O
5
336.42262
12
6
0
0
5442279
- 2/2 defined
zoom
C
19
H
28
O
5
336.4226
11
7
0
0
1670153
zoom
C
19
H
28
O
5
336.4226
11
6
0
0
1674408
zoom
C
19
H
28
O
5
336.4226
11
6
0
0
1665697
zoom
C
19
H
28
O
5
336.4226
11
8
0
0
1669820
zoom
C
19
H
28
O
5
336.4226
11
8
0
0
417398
- 6/6 defined
zoom
C
19
H
28
O
5
336.4226
10
11
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement