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 6543 results
Search term:
MF = 'C_{12}H_{13}N_{3}OS'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
605570
zoom
C
12
H
13
N
3
OS
247.3161
71
46
0
0
668309
zoom
C
12
H
13
N
3
OS
247.3161
68
51
0
0
629344
zoom
C
12
H
13
N
3
OS
247.3161
64
52
0
0
771820
zoom
C
12
H
13
N
3
OS
247.3161
55
40
0
0
2394797
zoom
C
12
H
13
N
3
OS
247.31612
48
33
0
0
687297
zoom
C
12
H
13
N
3
OS
247.3161
47
34
0
0
639427
zoom
C
12
H
13
N
3
OS
247.3161
46
32
0
0
627545
zoom
C
12
H
13
N
3
OS
247.3161
46
35
0
0
21474479
zoom
C
12
H
13
N
3
OS
247.3161
46
39
0
0
21805019
zoom
C
12
H
13
N
3
OS
247.3161
45
32
0
0
2245136
- 0/1 defined
zoom
C
12
H
13
N
3
OS
247.31612
42
35
0
0
2262142
zoom
C
12
H
13
N
3
OS
247.31612
42
35
0
0
21801424
zoom
C
12
H
13
N
3
OS
247.3161
38
25
0
0
1170144
zoom
C
12
H
13
N
3
OS
247.3161
37
26
0
0
741463
zoom
C
12
H
13
N
3
OS
247.3161
37
25
0
0
2009934
zoom
C
12
H
13
N
3
OS
247.31612
34
24
0
0
1544231
zoom
C
12
H
13
N
3
OS
247.3161
33
24
0
0
691519
zoom
C
12
H
13
N
3
OS
247.3161
33
19
0
0
702346
zoom
C
12
H
13
N
3
OS
247.3161
33
19
0
0
2115829
zoom
C
12
H
13
N
3
OS
247.31612
32
18
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement