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 669 results
Search term:
MF = 'C_{18}H_{15}N_{5}O_{5}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
39673
- 0/1 defined
zoom
C
18
H
15
N
5
O
5
381.3422
22
23
0
0
1057987
zoom
C
18
H
15
N
5
O
5
381.3422
22
16
0
0
1046422
zoom
C
18
H
15
N
5
O
5
381.3422
21
18
0
0
5281156
zoom
C
18
H
15
N
5
O
5
381.3422
19
15
0
0
12268342
zoom
C
18
H
15
N
5
O
5
381.3422
19
11
0
0
2219609
zoom
C
18
H
15
N
5
O
5
381.3422
18
17
0
0
4744400
zoom
C
18
H
15
N
5
O
5
381.3422
18
14
0
0
20515819
zoom
C
18
H
15
N
5
O
5
381.3422
18
12
0
0
5784719
zoom
C
18
H
15
N
5
O
5
381.3422
17
11
0
0
4798953
zoom
C
18
H
15
N
5
O
5
381.3422
16
10
0
0
7929018
zoom
C
18
H
15
N
5
O
5
381.3422
16
9
0
0
4620623
zoom
C
18
H
15
N
5
O
5
381.3422
15
12
0
0
6327595
zoom
C
18
H
15
N
5
O
5
381.3422
15
11
0
0
7281685
zoom
C
18
H
15
N
5
O
5
381.3422
15
11
0
0
12311102
zoom
C
18
H
15
N
5
O
5
381.3422
14
11
0
0
12594333
zoom
C
18
H
15
N
5
O
5
381.3422
14
11
0
0
1557700
zoom
C
18
H
15
N
5
O
5
381.3422
14
10
0
0
21862855
zoom
C
18
H
15
N
5
O
5
381.3422
14
10
0
0
4609834
zoom
C
18
H
15
N
5
O
5
381.3422
13
13
0
0
17524939
zoom
C
18
H
15
N
5
O
5
381.3422
13
11
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement