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 321 results
Search term:
MF = 'C_{19}H_{14}N_{2}O_{4}S_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1144438
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
30
22
0
0
1136640
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
24
15
0
0
1474418
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
23
13
0
0
996913
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
22
11
0
0
1289642
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
20
12
0
0
1705071
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
19
12
0
0
4820031
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
19
13
0
0
1305728
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
19
14
0
0
1542032
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
18
11
0
0
6222784
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
16
13
0
0
1305727
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
16
10
0
0
1140856
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
16
9
0
0
1156082
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
15
9
0
0
1286223
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
15
10
0
0
5510402
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
15
11
0
0
1784496
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
14
8
0
0
1144437
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
14
7
0
0
1235547
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
13
9
0
0
1841921
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
13
8
0
0
6996627
zoom
C
19
H
14
N
2
O
4
S
2
398.4555
13
10
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement