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 4407 results
Search term:
MF = 'C_{12}H_{18}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
566550
zoom
C
12
H
18
N
4
O
3
S
298.3613
41
33
0
0
1917759
zoom
C
12
H
18
N
4
O
3
S
298.3613
33
20
0
0
563197
zoom
C
12
H
18
N
4
O
3
S
298.3613
27
14
0
0
2376987
zoom
C
12
H
18
N
4
O
3
S
298.36132
27
14
0
0
565059
zoom
C
12
H
18
N
4
O
3
S
298.3613
26
15
0
0
2365733
- 0/1 defined
zoom
C
12
H
18
N
4
O
3
S
298.36132
24
15
0
0
2376988
zoom
C
12
H
18
N
4
O
3
S
298.36132
22
14
0
0
699818
zoom
C
12
H
18
N
4
O
3
S
298.3613
20
10
0
0
4320750
zoom
C
12
H
18
N
4
O
3
S
298.36132
20
12
0
0
4396558
zoom
C
12
H
18
N
4
O
3
S
298.36132
18
11
0
0
2370660
zoom
C
12
H
18
N
4
O
3
S
298.36132
18
8
0
0
4305036
zoom
C
12
H
18
N
4
O
3
S
298.36132
18
11
0
0
4970598
zoom
C
12
H
18
N
4
O
3
S
298.3613
18
17
0
0
4998644
zoom
C
12
H
18
N
4
O
3
S
298.3613
17
10
0
0
4967025
zoom
C
12
H
18
N
4
O
3
S
298.3613
17
17
0
0
3011857
zoom
C
12
H
18
N
4
O
3
S
298.36132
17
12
0
0
3294708
zoom
C
12
H
18
N
4
O
3
S
298.3613
17
12
0
0
699824
zoom
C
12
H
18
N
4
O
3
S
298.3613
16
9
0
0
23482392
zoom
C
12
H
18
N
4
O
3
S
298.3613
16
10
0
0
4822562
zoom
C
12
H
18
N
4
O
3
S
298.3613
16
13
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement