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 10444 results
Search term:
MF = 'C_{14}H_{20}N_{4}O_{2}S'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2361930
zoom
C
14
H
20
N
4
O
2
S
308.3992
32
17
0
0
1829002
zoom
C
14
H
20
N
4
O
2
S
308.3992
29
17
0
0
2354333
zoom
C
14
H
20
N
4
O
2
S
308.3992
28
13
0
0
1829001
zoom
C
14
H
20
N
4
O
2
S
308.3992
28
17
0
0
2262325
zoom
C
14
H
20
N
4
O
2
S
308.3992
27
14
0
0
2385585
zoom
C
14
H
20
N
4
O
2
S
308.3992
26
15
0
0
2390203
zoom
C
14
H
20
N
4
O
2
S
308.3992
26
13
0
0
4452821
zoom
C
14
H
20
N
4
O
2
S
308.3992
26
18
0
0
689470
zoom
C
14
H
20
N
4
O
2
S
308.3992
24
13
0
0
2354335
zoom
C
14
H
20
N
4
O
2
S
308.3992
24
12
0
0
653249
zoom
C
14
H
20
N
4
O
2
S
308.3992
23
12
0
0
657872
zoom
C
14
H
20
N
4
O
2
S
308.3992
23
15
0
0
4674469
zoom
C
14
H
20
N
4
O
2
S
308.3992
23
14
0
0
2709249
zoom
C
14
H
20
N
4
O
2
S
308.3992
23
12
0
0
3002244
zoom
C
14
H
20
N
4
O
2
S
308.3992
23
15
0
0
3547649
- 0/1 defined
zoom
C
14
H
20
N
4
O
2
S
308.3992
22
15
0
0
2227350
zoom
C
14
H
20
N
4
O
2
S
308.3992
22
21
0
0
2379233
- 0/1 defined
zoom
C
14
H
20
N
4
O
2
S
308.3992
21
9
0
0
2390205
- 0/1 defined
zoom
C
14
H
20
N
4
O
2
S
308.3992
20
12
0
0
17928332
zoom
C
14
H
20
N
4
O
2
S
308.3992
20
18
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement