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 2794 results
Search term:
MF = 'C_{28}H_{28}N_{4}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
113324
- 1/1 defined
zoom
C
28
H
28
N
4
O
2
452.5475
28
26
0
0
21278951
- 0/1 defined
zoom
C
28
H
28
N
4
O
2
452.5475
24
16
0
0
28659005
- 0/1 defined
zoom
C
28
H
28
N
4
O
2
452.5475
24
22
0
0
4906
- 0/1 defined
zoom
C
28
H
28
N
4
O
2
452.5475
23
18
0
0
21278895
- 0/1 defined
zoom
C
28
H
28
N
4
O
2
452.5475
23
16
0
0
21278928
- 0/1 defined
zoom
C
28
H
28
N
4
O
2
452.5475
22
15
0
0
3596888
- 0/1 defined
zoom
C
28
H
28
N
4
O
2
452.54752
21
14
0
0
1654221
zoom
C
28
H
28
N
4
O
2
452.5475
21
13
0
0
953966
zoom
C
28
H
28
N
4
O
2
452.5475
21
13
0
0
1018356
zoom
C
28
H
28
N
4
O
2
452.5475
20
14
0
0
2211919
zoom
C
28
H
28
N
4
O
2
452.54752
20
15
0
0
925208
zoom
C
28
H
28
N
4
O
2
452.5475
20
14
0
0
4916411
zoom
C
28
H
28
N
4
O
2
452.5475
20
15
0
0
11993416
zoom
C
28
H
28
N
4
O
2
452.5475
20
14
0
0
4916478
zoom
C
28
H
28
N
4
O
2
452.5475
19
13
0
0
4916480
zoom
C
28
H
28
N
4
O
2
452.5475
19
13
0
0
4098301
- 0/1 defined
zoom
C
28
H
28
N
4
O
2
452.54752
19
14
0
0
1059388
zoom
C
28
H
28
N
4
O
2
452.5475
19
16
0
0
1059462
zoom
C
28
H
28
N
4
O
2
452.5475
19
16
0
0
1455122
zoom
C
28
H
28
N
4
O
2
452.5475
19
14
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement