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 19606 results
Search term:
MF = 'C_{12}H_{14}N_{2}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
643878
zoom
C
12
H
14
N
2
O
3
234.2512
114
68
0
0
106971
- 0/1 defined
zoom
C
12
H
14
N
2
O
3
234.2512
98
103
28
10
9141639
zoom
C
12
H
14
N
2
O
3
234.2512
85
50
0
0
3294419
- 0/1 defined
zoom
C
12
H
14
N
2
O
3
234.2512
83
50
0
0
133110
- 1/1 defined
zoom
C
12
H
14
N
2
O
3
234.2512
83
83
0
9
2018725
zoom
C
12
H
14
N
2
O
3
234.25116
73
45
0
0
2018727
zoom
C
12
H
14
N
2
O
3
234.25116
70
49
1
0
2041165
zoom
C
12
H
14
N
2
O
3
234.25116
68
50
0
0
712251
zoom
C
12
H
14
N
2
O
3
234.2512
67
55
0
0
106722
- 0/1 defined
zoom
C
12
H
14
N
2
O
3
234.2512
66
89
2
0
196005
zoom
C
12
H
14
N
2
O
3
234.2512
61
45
0
8
608262
zoom
C
12
H
14
N
2
O
3
234.2512
61
44
0
0
23960617
- 2/2 defined
zoom
C
12
H
14
N
2
O
3
234.2512
61
35
0
0
11854467
zoom
C
12
H
14
N
2
O
3
234.2512
60
38
0
0
2036804
zoom
C
12
H
14
N
2
O
3
234.25116
59
50
0
0
2219910
- 0/1 defined
zoom
C
12
H
14
N
2
O
3
234.25116
58
52
0
0
313330
- 0/1 defined
zoom
C
12
H
14
N
2
O
3
234.2512
58
39
0
10
70545
zoom
C
12
H
14
N
2
O
3
234.2512
57
47
0
0
11854265
zoom
C
12
H
14
N
2
O
3
234.2512
57
37
0
0
9393604
- 1/1 defined
zoom
C
12
H
14
N
2
O
3
234.2512
55
39
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement