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 7799 results
Search term:
MF = 'C_{18}H_{22}N_{4}O_{3}S'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
565719
zoom
C
18
H
22
N
4
O
3
S
374.4573
31
20
0
0
973820
zoom
C
18
H
22
N
4
O
3
S
374.4573
29
15
0
0
2262138
zoom
C
18
H
22
N
4
O
3
S
374.45728
29
19
0
0
1797155
zoom
C
18
H
22
N
4
O
3
S
374.4573
27
16
0
0
2403168
zoom
C
18
H
22
N
4
O
3
S
374.4573
27
16
0
0
2403183
- 0/1 defined
zoom
C
18
H
22
N
4
O
3
S
374.4573
27
16
0
0
2405067
zoom
C
18
H
22
N
4
O
3
S
374.4573
27
15
0
0
2403151
zoom
C
18
H
22
N
4
O
3
S
374.4573
27
17
0
0
2403152
zoom
C
18
H
22
N
4
O
3
S
374.4573
26
17
0
0
2403166
zoom
C
18
H
22
N
4
O
3
S
374.4573
26
13
0
0
2403148
zoom
C
18
H
22
N
4
O
3
S
374.4573
26
14
0
0
567325
zoom
C
18
H
22
N
4
O
3
S
374.4573
26
16
0
0
574227
zoom
C
18
H
22
N
4
O
3
S
374.4573
26
20
0
0
578074
zoom
C
18
H
22
N
4
O
3
S
374.4573
25
14
0
0
1042249
zoom
C
18
H
22
N
4
O
3
S
374.4573
24
19
0
0
1123723
zoom
C
18
H
22
N
4
O
3
S
374.4573
23
16
0
0
2407464
- 0/1 defined
zoom
C
18
H
22
N
4
O
3
S
374.4573
23
15
0
0
2219897
zoom
C
18
H
22
N
4
O
3
S
374.45728
23
16
0
0
2195134
zoom
C
18
H
22
N
4
O
3
S
374.45728
22
14
0
0
1007862
zoom
C
18
H
22
N
4
O
3
S
374.4573
22
9
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement