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 124 results
Search term:
MF = 'C_{21}H_{21}ClN_{6}O_{5}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
372945
- 0/1 defined
zoom
C
21
H
21
ClN
6
O
5
472.8816
12
11
0
0
242616
- 0/1 defined
zoom
C
21
H
21
ClN
6
O
5
472.8816
9
9
0
0
107100
zoom
C
21
H
21
ClN
6
O
5
472.8816
7
9
0
0
23133623
- 0/1 defined
zoom
C
21
H
21
ClN
6
O
5
472.8816
6
6
0
0
10001482
zoom
C
21
H
21
ClN
6
O
5
472.8816
5
4
0
0
112559
- 1/1 defined
zoom
C
21
H
21
ClN
6
O
5
472.8816
4
4
0
0
266841
zoom
C
21
H
21
ClN
6
O
5
472.8816
3
2
0
0
12034633
zoom
C
21
H
21
ClN
6
O
5
472.8816
3
2
0
0
12034639
zoom
C
21
H
21
ClN
6
O
5
472.8816
3
2
0
0
12034643
zoom
C
21
H
21
ClN
6
O
5
472.8816
3
2
0
0
21173239
zoom
C
21
H
21
ClN
6
O
5
472.8816
2
2
0
0
33600594
zoom
C
21
H
21
ClN
6
O
5
472.8816
2
2
0
0
34228367
- 0/1 defined
zoom
C
21
H
21
ClN
6
O
5
472.8816
2
2
0
0
34240650
- 1/1 defined
zoom
C
21
H
21
ClN
6
O
5
472.8816
2
2
0
0
34971109
zoom
C
21
H
21
ClN
6
O
5
472.8816
2
2
0
0
66170740
- 0/1 defined
zoom
C
21
H
21
ClN
6
O
5
472.8816
2
1
0
0
66773598
zoom
C
21
H
21
ClN
6
O
5
472.8816
2
1
0
0
90621364
zoom
C
21
H
21
ClN
6
O
5
472.8816
2
2
0
0
3006652
zoom
C
21
H
21
ClN
6
O
5
472.88164
2
1
0
0
4919705
zoom
C
21
H
21
ClN
6
O
5
472.8816
2
1
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement