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 1680 results
Search term:
MF = 'C_{19}H_{31}NO_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2055468
zoom
C
19
H
31
NO
2
305.45494
41
28
0
0
68513
zoom
C
19
H
31
NO
2
305.4549
28
22
0
0
653572
zoom
C
19
H
31
NO
2
305.4549
24
19
0
0
743678
zoom
C
19
H
31
NO
2
305.4549
20
13
0
0
1684672
zoom
C
19
H
31
NO
2
305.4549
19
10
0
0
2118176
zoom
C
19
H
31
NO
2
305.45494
19
14
0
0
2050226
- 0/1 defined
zoom
C
19
H
31
NO
2
305.45494
19
13
0
0
18480667
- 0/1 defined
zoom
C
19
H
31
NO
2
305.4549
19
14
0
0
14204930
zoom
C
19
H
31
NO
2
305.4549
18
15
0
0
16736008
- 9/9 defined
zoom
C
19
H
31
NO
2
305.4549
18
16
0
4
36656
- 8/8 defined
zoom
C
19
H
31
NO
2
305.4549
18
20
0
0
3604951
zoom
C
19
H
31
NO
2
305.45494
17
11
0
0
1631792
zoom
C
19
H
31
NO
2
305.4549
17
12
0
0
269060
zoom
C
19
H
31
NO
2
305.4549
16
14
0
0
1716782
zoom
C
19
H
31
NO
2
305.4549
16
11
0
0
1716939
zoom
C
19
H
31
NO
2
305.4549
16
11
0
0
1920447
zoom
C
19
H
31
NO
2
305.4549
16
11
0
0
4199049
zoom
C
19
H
31
NO
2
305.45494
16
11
0
0
2145170
- 0/1 defined
zoom
C
19
H
31
NO
2
305.45494
16
12
0
0
2859334
- 0/1 defined
zoom
C
19
H
31
NO
2
305.45494
16
11
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement