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 15719 results
Search term:
MF = 'C_{12}H_{15}N_{3}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4461
zoom
C
12
H
15
N
3
O
3
249.2658
108
251
0
0
13329
zoom
C
12
H
15
N
3
O
3
249.2658
102
196
3
1
7274
zoom
C
12
H
15
N
3
O
3
249.2658
70
94
0
0
63576
zoom
C
12
H
15
N
3
O
3
249.2658
68
90
0
0
625123
zoom
C
12
H
15
N
3
O
3
249.2658
68
90
0
0
23346904
zoom
C
12
H
15
N
3
O
3
249.2658
59
78
0
0
598184
zoom
C
12
H
15
N
3
O
3
249.2658
53
67
0
0
2140425
zoom
C
12
H
15
N
3
O
3
249.2658
52
74
0
0
2044250
zoom
C
12
H
15
N
3
O
3
249.2658
45
57
0
0
667448
zoom
C
12
H
15
N
3
O
3
249.2658
44
52
0
0
2190299
zoom
C
12
H
15
N
3
O
3
249.2658
43
53
0
0
8190519
zoom
C
12
H
15
N
3
O
3
249.2658
41
54
0
0
3417742
- 0/1 defined
zoom
C
12
H
15
N
3
O
3
249.2658
37
60
0
0
3755040
- 0/1 defined
zoom
C
12
H
15
N
3
O
3
249.2658
37
51
0
0
22336967
zoom
C
12
H
15
N
3
O
3
249.2658
35
40
0
0
1306533
zoom
C
12
H
15
N
3
O
3
249.2658
34
43
0
0
2758331
- 0/1 defined
zoom
C
12
H
15
N
3
O
3
249.2658
34
59
0
0
25072264
zoom
C
12
H
15
N
3
O
3
249.2658
32
37
0
0
2231924
zoom
C
12
H
15
N
3
O
3
249.2658
32
34
0
94
1240297
zoom
C
12
H
15
N
3
O
3
249.2658
31
37
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement