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 8359 results
Search term:
MF = 'C_{13}H_{12}N_{4}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
37276
zoom
C
13
H
12
N
4
O
3
272.2594
58
62
45
1
2180583
zoom
C
13
H
12
N
4
O
3
272.25938
49
37
0
0
11709349
zoom
C
13
H
12
N
4
O
3
272.2594
43
30
0
0
4466969
zoom
C
13
H
12
N
4
O
3
272.25938
38
30
0
0
2094510
zoom
C
13
H
12
N
4
O
3
272.25938
35
23
0
0
573140
zoom
C
13
H
12
N
4
O
3
272.2594
34
28
0
0
2172103
- 0/1 defined
zoom
C
13
H
12
N
4
O
3
272.25938
29
22
0
0
4780702
- 0/1 defined
zoom
C
13
H
12
N
4
O
3
272.2594
29
19
0
0
7838289
zoom
C
13
H
12
N
4
O
3
272.2594
29
26
0
0
2616073
zoom
C
13
H
12
N
4
O
3
272.2594
29
17
0
0
735181
zoom
C
13
H
12
N
4
O
3
272.2594
28
19
0
0
2398533
zoom
C
13
H
12
N
4
O
3
272.25938
25
13
0
0
21266576
zoom
C
13
H
12
N
4
O
3
272.2594
25
18
0
0
2728673
zoom
C
13
H
12
N
4
O
3
272.25938
24
17
0
0
578437
zoom
C
13
H
12
N
4
O
3
272.2594
24
15
0
0
3314424
zoom
C
13
H
12
N
4
O
3
272.2594
24
16
0
0
840544
zoom
C
13
H
12
N
4
O
3
272.2594
23
18
0
0
3230204
zoom
C
13
H
12
N
4
O
3
272.2594
23
16
0
0
21266706
zoom
C
13
H
12
N
4
O
3
272.2594
23
16
0
0
12557362
zoom
C
13
H
12
N
4
O
3
272.2594
23
16
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement