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 144 results
Search term:
MF = 'C_{20}H_{13}N_{3}O_{6}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
117665
zoom
C
20
H
13
N
3
O
6
391.3337
45
33
0
0
1379951
zoom
C
20
H
13
N
3
O
6
391.3337
25
21
0
0
1052159
zoom
C
20
H
13
N
3
O
6
391.3337
22
15
0
0
2234368
zoom
C
20
H
13
N
3
O
6
391.33372
20
13
0
0
2546601
zoom
C
20
H
13
N
3
O
6
391.3337
20
13
0
0
2355072
zoom
C
20
H
13
N
3
O
6
391.33372
19
12
0
0
2355384
zoom
C
20
H
13
N
3
O
6
391.33372
18
11
0
0
1693858
zoom
C
20
H
13
N
3
O
6
391.3337
18
12
0
0
2412954
zoom
C
20
H
13
N
3
O
6
391.3337
17
10
0
0
2577964
zoom
C
20
H
13
N
3
O
6
391.3337
17
11
0
0
3165344
zoom
C
20
H
13
N
3
O
6
391.3337
17
11
0
0
3180876
zoom
C
20
H
13
N
3
O
6
391.3337
17
14
0
0
3516148
zoom
C
20
H
13
N
3
O
6
391.33372
17
12
0
0
4404869
zoom
C
20
H
13
N
3
O
6
391.33372
17
11
0
0
3775886
zoom
C
20
H
13
N
3
O
6
391.33372
16
11
0
0
17536429
zoom
C
20
H
13
N
3
O
6
391.3337
15
10
0
0
5499008
zoom
C
20
H
13
N
3
O
6
391.3337
13
11
0
0
4722531
zoom
C
20
H
13
N
3
O
6
391.3337
12
8
0
0
3409049
zoom
C
20
H
13
N
3
O
6
391.33372
12
7
0
0
1414602
zoom
C
20
H
13
N
3
O
6
391.3337
12
9
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement