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 9372 results
Search term:
MF = 'C_{13}H_{14}N_{2}O_{3}S'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
503249
zoom
C
13
H
14
N
2
O
3
S
278.3269
77
58
0
0
503561
zoom
C
13
H
14
N
2
O
3
S
278.3269
70
52
0
0
24609544
zoom
C
13
H
14
N
2
O
3
S
278.3269
55
39
0
0
629965
zoom
C
13
H
14
N
2
O
3
S
278.3269
51
36
0
0
2037230
zoom
C
13
H
14
N
2
O
3
S
278.32686
49
28
0
0
13756676
zoom
C
13
H
14
N
2
O
3
S
278.3269
48
38
0
0
2050194
zoom
C
13
H
14
N
2
O
3
S
278.32686
46
32
0
0
675658
zoom
C
13
H
14
N
2
O
3
S
278.3269
45
24
0
0
21490596
zoom
C
13
H
14
N
2
O
3
S
278.3269
45
35
0
0
700747
zoom
C
13
H
14
N
2
O
3
S
278.3269
43
28
0
0
21436468
zoom
C
13
H
14
N
2
O
3
S
278.3269
42
28
0
0
3842878
zoom
C
13
H
14
N
2
O
3
S
278.3269
42
30
0
0
470483
zoom
C
13
H
14
N
2
O
3
S
278.3269
42
29
0
0
7438379
zoom
C
13
H
14
N
2
O
3
S
278.3269
41
33
0
0
735878
zoom
C
13
H
14
N
2
O
3
S
278.3269
41
27
0
0
542259
zoom
C
13
H
14
N
2
O
3
S
278.3269
40
31
0
0
3087671
- 0/1 defined
zoom
C
13
H
14
N
2
O
3
S
278.3269
40
38
0
0
60038
zoom
C
13
H
14
N
2
O
3
S
278.3269
40
35
0
261
291452
zoom
C
13
H
14
N
2
O
3
S
278.3269
39
27
0
0
582186
zoom
C
13
H
14
N
2
O
3
S
278.3269
39
21
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement