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 62 results
Search term:
MF = 'C_{20}H_{32}N_{4}O_{2}S_{2}'
1
2
3
4
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1765283
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
24
12
0
0
2471641
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
13
6
0
0
17321924
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
13
10
0
0
17322358
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
12
10
0
0
4021904
zoom
C
20
H
32
N
4
O
2
S
2
424.62368
12
9
0
0
3265702
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
11
7
0
0
2299983
zoom
C
20
H
32
N
4
O
2
S
2
424.62368
11
9
0
0
22157281
- 0/1 defined
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
10
9
0
0
22242536
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
8
7
0
0
22135475
- 0/1 defined
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
8
8
0
0
22475502
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
7
6
0
0
30694890
- 3/4 defined
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
6
9
0
0
22467647
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
6
4
0
0
105851
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
5
6
0
0
31337368
- 0/1 defined
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
4
4
0
0
31633872
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
4
4
0
0
32025823
- 0/1 defined
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
4
4
0
0
69829594
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
3
3
0
0
6978435
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
3
2
0
0
7479909
zoom
C
20
H
32
N
4
O
2
S
2
424.6237
3
2
0
0
1
2
3
4
Advertisement
Advertisement
Spotlight
Advertisement