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 28 results
Search term:
MF = 'C_{14}H_{20}N_{4}O_{4}S_{3}'
1
2
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1554561
zoom
C
14
H
20
N
4
O
4
S
3
404.528
27
19
0
0
2370657
zoom
C
14
H
20
N
4
O
4
S
3
404.528
23
14
0
0
12532202
zoom
C
14
H
20
N
4
O
4
S
3
404.528
14
10
0
0
12532213
zoom
C
14
H
20
N
4
O
4
S
3
404.528
14
10
0
0
21657408
- 0/1 defined
zoom
C
14
H
20
N
4
O
4
S
3
404.528
8
6
0
0
22554597
zoom
C
14
H
20
N
4
O
4
S
3
404.528
8
7
0
0
30277909
zoom
C
14
H
20
N
4
O
4
S
3
404.528
7
6
0
0
39505710
zoom
C
14
H
20
N
4
O
4
S
3
404.528
7
6
0
0
62713478
zoom
C
14
H
20
N
4
O
4
S
3
404.528
5
5
0
0
66497771
- 0/1 defined
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
1
0
0
66502552
- 0/1 defined
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
1
0
0
67098685
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
1
0
0
39506103
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
1
0
0
39506500
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
1
0
0
39507652
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
1
0
0
39508159
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
1
0
0
32871245
- 0/1 defined
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
2
0
0
33582753
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
2
0
0
39432291
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
1
0
0
26398261
zoom
C
14
H
20
N
4
O
4
S
3
404.528
2
2
0
0
1
2
Advertisement
Advertisement
Spotlight
Advertisement