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 19 results
Search term:
MF = 'C_{21}H_{20}N_{8}O_{6}'
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
7958420
zoom
C
21
H
20
N
8
O
6
480.4335
11
11
0
0
2588577
zoom
C
21
H
20
N
8
O
6
480.4335
6
4
0
0
29398423
- 2/2 defined
zoom
C
21
H
20
N
8
O
6
480.4335
6
6
0
0
4793049
zoom
C
21
H
20
N
8
O
6
480.4335
3
1
0
0
4103602
zoom
C
21
H
20
N
8
O
6
480.4335
2
2
0
0
9794696
- 4/4 defined
zoom
C
21
H
20
N
8
O
6
480.4335
2
1
0
0
9929583
- 0/1 defined
zoom
C
21
H
20
N
8
O
6
480.4335
2
1
0
0
31018812
zoom
C
21
H
20
N
8
O
6
480.4335
2
3
0
0
100609297
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
100609991
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
100611647
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
103311131
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
103338986
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
115119236
- 0/1 defined
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
123104796
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
123918253
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
124375237
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
10589104
zoom
C
21
H
20
N
8
O
6
480.4335
1
1
0
0
Advertisement
Advertisement
Spotlight
Advertisement