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 13221 results
Search term:
MF = 'C_{14}H_{14}N_{2}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
298436
zoom
C
14
H
14
N
2
O
4
274.272
68
55
0
0
2383419
- 0/1 defined
zoom
C
14
H
14
N
2
O
4
274.27196
58
40
0
0
783446
zoom
C
14
H
14
N
2
O
4
274.272
47
28
0
0
771546
zoom
C
14
H
14
N
2
O
4
274.272
45
34
0
0
283177
zoom
C
14
H
14
N
2
O
4
274.272
39
24
0
0
85724
zoom
C
14
H
14
N
2
O
4
274.272
37
27
0
0
24609680
zoom
C
14
H
14
N
2
O
4
274.272
37
22
0
0
21801395
zoom
C
14
H
14
N
2
O
4
274.272
36
21
0
0
4143252
zoom
C
14
H
14
N
2
O
4
274.27196
34
24
0
0
768820
zoom
C
14
H
14
N
2
O
4
274.272
32
26
0
0
34878
zoom
C
14
H
14
N
2
O
4
274.272
32
22
0
0
1637827
zoom
C
14
H
14
N
2
O
4
274.272
32
22
0
0
681476
zoom
C
14
H
14
N
2
O
4
274.272
31
18
0
0
541866
- 0/1 defined
zoom
C
14
H
14
N
2
O
4
274.272
31
23
0
0
2738753
zoom
C
14
H
14
N
2
O
4
274.27196
31
28
0
0
10823945
- 0/1 defined
zoom
C
14
H
14
N
2
O
4
274.272
30
19
0
0
829034
zoom
C
14
H
14
N
2
O
4
274.272
30
21
0
0
488061
zoom
C
14
H
14
N
2
O
4
274.272
30
22
0
0
603176
zoom
C
14
H
14
N
2
O
4
274.272
29
18
0
0
1634687
zoom
C
14
H
14
N
2
O
4
274.272
29
16
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement