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 328 results
Search term:
MF = 'C_{20}H_{28}N_{6}O_{4}S'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
10913
zoom
C
20
H
28
N
6
O
4
S
448.5391
50
65
0
2
17531575
- 0/1 defined
zoom
C
20
H
28
N
6
O
4
S
448.5391
18
11
0
0
17531614
zoom
C
20
H
28
N
6
O
4
S
448.5391
13
10
0
0
4019301
zoom
C
20
H
28
N
6
O
4
S
448.53912
11
9
0
0
4932277
zoom
C
20
H
28
N
6
O
4
S
448.5391
11
9
0
0
30739772
zoom
C
20
H
28
N
6
O
4
S
448.5391
10
8
0
0
30749027
zoom
C
20
H
28
N
6
O
4
S
448.5391
10
9
0
0
30195668
zoom
C
20
H
28
N
6
O
4
S
448.5391
9
7
0
0
21906226
- 0/1 defined
zoom
C
20
H
28
N
6
O
4
S
448.5391
9
7
0
0
23051827
- 0/1 defined
zoom
C
20
H
28
N
6
O
4
S
448.5391
9
10
0
0
26293775
zoom
C
20
H
28
N
6
O
4
S
448.5391
9
9
0
0
2321908
zoom
C
20
H
28
N
6
O
4
S
448.53912
9
7
0
0
11103346
zoom
C
20
H
28
N
6
O
4
S
448.5391
9
7
0
0
11153657
zoom
C
20
H
28
N
6
O
4
S
448.5391
8
7
0
0
21906223
zoom
C
20
H
28
N
6
O
4
S
448.5391
8
6
0
0
11083440
zoom
C
20
H
28
N
6
O
4
S
448.5391
8
7
0
0
27316854
zoom
C
20
H
28
N
6
O
4
S
448.5391
8
7
0
0
30220427
zoom
C
20
H
28
N
6
O
4
S
448.5391
8
6
0
0
30393594
zoom
C
20
H
28
N
6
O
4
S
448.5391
8
5
0
0
57829190
zoom
C
20
H
28
N
6
O
4
S
448.5391
8
6
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement