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 9320 results
Search term:
MF = 'C_{18}H_{30}N_{4}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
115507
zoom
C
18
H
30
N
4
O
2
334.4564
19
20
0
0
465805
zoom
C
18
H
30
N
4
O
2
334.4564
19
14
0
0
2205668
zoom
C
18
H
30
N
4
O
2
334.4564
18
11
0
0
4462040
zoom
C
18
H
30
N
4
O
2
334.4564
18
14
0
0
5006603
- 0/2 defined
zoom
C
18
H
30
N
4
O
2
334.4564
16
11
0
0
1619004
zoom
C
18
H
30
N
4
O
2
334.4564
16
10
0
0
13143879
zoom
C
18
H
30
N
4
O
2
334.4564
14
12
0
0
13143886
zoom
C
18
H
30
N
4
O
2
334.4564
14
12
0
0
17316145
- 2/2 defined
zoom
C
18
H
30
N
4
O
2
334.4564
13
11
0
0
12515088
- 0/2 defined
zoom
C
18
H
30
N
4
O
2
334.4564
13
9
0
0
7925917
zoom
C
18
H
30
N
4
O
2
334.4564
13
11
0
0
3545187
zoom
C
18
H
30
N
4
O
2
334.4564
12
7
0
0
25349225
zoom
C
18
H
30
N
4
O
2
334.4564
12
9
0
0
35143597
- 2/3 defined
zoom
C
18
H
30
N
4
O
2
334.4564
11
6
0
0
22222434
zoom
C
18
H
30
N
4
O
2
334.4564
11
9
0
0
22237334
- 0/1 defined
zoom
C
18
H
30
N
4
O
2
334.4564
11
9
0
0
23052170
- 0/1 defined
zoom
C
18
H
30
N
4
O
2
334.4564
11
10
0
0
10918385
- 0/1 defined
zoom
C
18
H
30
N
4
O
2
334.4564
11
8
0
0
3264041
zoom
C
18
H
30
N
4
O
2
334.4564
11
7
0
0
48088589
- 0/1 defined
zoom
C
18
H
30
N
4
O
2
334.4564
10
9
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement