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 2299 results
Search term:
MF = 'C_{14}H_{21}N_{5}O_{2}S'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
58824300
- 2/2 defined
zoom
C
14
H
21
N
5
O
2
S
323.4138
26
28
0
0
4986386
zoom
C
14
H
21
N
5
O
2
S
323.4138
24
15
0
0
3906172
zoom
C
14
H
21
N
5
O
2
S
323.4138
24
15
0
0
3906189
zoom
C
14
H
21
N
5
O
2
S
323.4138
24
14
0
0
4986394
zoom
C
14
H
21
N
5
O
2
S
323.4138
22
15
0
0
4986370
zoom
C
14
H
21
N
5
O
2
S
323.4138
21
12
0
0
724258
zoom
C
14
H
21
N
5
O
2
S
323.4138
21
15
0
0
3906232
zoom
C
14
H
21
N
5
O
2
S
323.4138
20
12
0
0
3260489
zoom
C
14
H
21
N
5
O
2
S
323.4138
18
12
0
0
4456816
- 0/1 defined
zoom
C
14
H
21
N
5
O
2
S
323.41384
17
12
0
0
796639
zoom
C
14
H
21
N
5
O
2
S
323.4138
17
11
0
0
1649488
zoom
C
14
H
21
N
5
O
2
S
323.4138
16
12
0
0
25962644
zoom
C
14
H
21
N
5
O
2
S
323.4138
14
9
0
0
68006894
- 0/2 defined
zoom
C
14
H
21
N
5
O
2
S
323.4138
14
15
0
0
2019854
zoom
C
14
H
21
N
5
O
2
S
323.41384
13
9
0
0
2316420
zoom
C
14
H
21
N
5
O
2
S
323.41384
13
10
0
0
2848852
- 0/1 defined
zoom
C
14
H
21
N
5
O
2
S
323.41384
12
8
0
0
4753214
zoom
C
14
H
21
N
5
O
2
S
323.4138
12
12
0
0
6401762
zoom
C
14
H
21
N
5
O
2
S
323.4138
12
9
0
0
3474770
- 0/1 defined
zoom
C
14
H
21
N
5
O
2
S
323.41384
11
7
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement