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 34886 results
Search term:
MF = 'C_{15}H_{20}N_{4}O'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1782398
zoom
C
15
H
20
N
4
O
272.3455
49
34
0
0
489945
zoom
C
15
H
20
N
4
O
272.3455
31
23
0
0
1727631
zoom
C
15
H
20
N
4
O
272.3455
27
12
0
0
651440
zoom
C
15
H
20
N
4
O
272.3455
24
17
0
0
936024
zoom
C
15
H
20
N
4
O
272.3455
23
15
0
0
2087509
zoom
C
15
H
20
N
4
O
272.3455
23
14
0
0
2786880
zoom
C
15
H
20
N
4
O
272.3455
22
15
0
0
509971
zoom
C
15
H
20
N
4
O
272.3455
22
16
0
0
13085773
- 0/1 defined
zoom
C
15
H
20
N
4
O
272.3455
22
13
0
0
27444792
zoom
C
15
H
20
N
4
O
272.3455
21
18
0
0
6374314
zoom
C
15
H
20
N
4
O
272.3455
21
11
0
0
13134758
- 0/1 defined
zoom
C
15
H
20
N
4
O
272.3455
21
14
0
0
1037190
zoom
C
15
H
20
N
4
O
272.3455
21
19
0
0
1049346
zoom
C
15
H
20
N
4
O
272.3455
21
16
0
0
4349966
- 0/1 defined
zoom
C
15
H
20
N
4
O
272.3455
20
20
0
0
21097419
- 0/1 defined
zoom
C
15
H
20
N
4
O
272.3455
20
13
0
0
21682325
zoom
C
15
H
20
N
4
O
272.3455
20
11
0
0
21926779
- 0/1 defined
zoom
C
15
H
20
N
4
O
272.3455
20
12
0
0
10013555
- 0/1 defined
zoom
C
15
H
20
N
4
O
272.3455
20
14
0
0
13134726
zoom
C
15
H
20
N
4
O
272.3455
20
13
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement