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 24 results
Search term:
MF = 'C_{21}H_{30}F_{2}N_{4}O_{4}'
1
2
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
9514600
- 1/1 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
5
4
0
0
68712938
- 0/1 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
4
3
0
0
76806092
- 1/2 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
3
3
0
0
9616899
- 1/1 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
2
1
0
0
33112056
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
2
2
0
0
9364977
- 1/1 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
2
1
0
0
9411065
- 1/1 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
2
1
0
0
34315629
- 0/1 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
2
2
0
0
61750614
- 0/2 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
33150783
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
33452977
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
33538380
- 0/1 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
98659490
- 1/2 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
102660287
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
102660376
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
102660555
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
102660870
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
102661824
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
115195548
- 0/1 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
129013143
- 3/3 defined
zoom
C
21
H
30
F
2
N
4
O
4
440.4841
1
1
0
0
1
2
Advertisement
Advertisement
Spotlight
Advertisement