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 494 results
Search term:
MF = 'C_{18}H_{17}N_{7}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2511917
zoom
C
18
H
17
N
7
O
3
379.3727
23
22
0
0
12271615
zoom
C
18
H
17
N
7
O
3
379.3727
22
13
0
0
4687668
zoom
C
18
H
17
N
7
O
3
379.3727
21
16
0
0
4688185
zoom
C
18
H
17
N
7
O
3
379.3727
21
13
0
0
4868194
zoom
C
18
H
17
N
7
O
3
379.3727
21
13
0
0
2571685
zoom
C
18
H
17
N
7
O
3
379.3727
18
13
0
0
1678782
zoom
C
18
H
17
N
7
O
3
379.3727
17
13
0
0
5549737
zoom
C
18
H
17
N
7
O
3
379.3727
14
9
0
0
5795514
zoom
C
18
H
17
N
7
O
3
379.3727
13
10
0
0
5457821
zoom
C
18
H
17
N
7
O
3
379.3727
13
10
0
0
4032944
zoom
C
18
H
17
N
7
O
3
379.37268
12
8
0
0
12558566
zoom
C
18
H
17
N
7
O
3
379.3727
11
5
0
0
35007902
zoom
C
18
H
17
N
7
O
3
379.3727
10
8
0
0
35008558
zoom
C
18
H
17
N
7
O
3
379.3727
10
8
0
0
39184145
zoom
C
18
H
17
N
7
O
3
379.3727
9
9
0
0
48055280
- 0/1 defined
zoom
C
18
H
17
N
7
O
3
379.3727
9
8
0
0
30195572
zoom
C
18
H
17
N
7
O
3
379.3727
9
6
0
0
30680659
zoom
C
18
H
17
N
7
O
3
379.3727
9
8
0
0
30767056
zoom
C
18
H
17
N
7
O
3
379.3727
9
7
0
0
31081848
zoom
C
18
H
17
N
7
O
3
379.3727
9
7
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement