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 26261 results
Search term:
MF = 'C_{18}H_{27}N_{3}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2362064
zoom
C
18
H
27
N
3
O
2
317.42588
54
39
0
0
2040812
- 0/1 defined
zoom
C
18
H
27
N
3
O
2
317.42588
40
32
0
0
23078507
zoom
C
18
H
27
N
3
O
2
317.4259
33
22
0
0
26496396
zoom
C
18
H
27
N
3
O
2
317.4259
32
26
0
0
563341
zoom
C
18
H
27
N
3
O
2
317.4259
30
17
0
0
9372985
zoom
C
18
H
27
N
3
O
2
317.4259
29
23
0
0
568605
zoom
C
18
H
27
N
3
O
2
317.4259
28
15
0
0
662462
zoom
C
18
H
27
N
3
O
2
317.4259
28
17
0
0
4098595
- 0/2 defined
zoom
C
18
H
27
N
3
O
2
317.42588
27
20
0
0
675243
zoom
C
18
H
27
N
3
O
2
317.4259
26
16
0
0
829143
zoom
C
18
H
27
N
3
O
2
317.4259
26
15
0
0
1501817
zoom
C
18
H
27
N
3
O
2
317.4259
26
15
0
0
1655316
zoom
C
18
H
27
N
3
O
2
317.4259
26
15
0
0
2246431
- 0/2 defined
zoom
C
18
H
27
N
3
O
2
317.42588
25
19
0
0
828111
zoom
C
18
H
27
N
3
O
2
317.4259
25
16
0
0
20704250
zoom
C
18
H
27
N
3
O
2
317.4259
25
15
0
0
20705944
zoom
C
18
H
27
N
3
O
2
317.4259
25
15
0
0
20706152
zoom
C
18
H
27
N
3
O
2
317.4259
25
16
0
0
20707838
zoom
C
18
H
27
N
3
O
2
317.4259
25
15
0
0
21327907
- 0/1 defined
zoom
C
18
H
27
N
3
O
2
317.4259
25
15
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement