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 48 results
Search term:
MF = 'C_{13}H_{12}N_{3}O_{3}'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
386827
zoom
C
13
H
12
N
3
O
3
258.2521
11
7
0
0
2377712
zoom
C
13
H
12
N
3
O
3
258.25268
9
5
0
0
730157
zoom
C
13
H
12
N
3
O
3
258.2521
8
4
0
0
2377710
zoom
C
13
H
12
N
3
O
3
258.25268
8
4
0
0
366753
zoom
C
13
H
12
N
3
O
3
258.2521
8
4
0
0
366751
zoom
C
13
H
12
N
3
O
3
258.2521
5
4
0
0
2656288
zoom
C
13
H
12
N
3
O
3
258.2521
5
1
0
0
3195198
zoom
C
13
H
12
N
3
O
3
258.2521
5
1
0
0
5257512
zoom
C
13
H
12
N
3
O
3
258.2521
4
3
0
0
572684
zoom
C
13
H
12
N
3
O
3
258.2521
3
1
0
0
2514160
zoom
C
13
H
12
N
3
O
3
258.2521
2
1
0
0
8720350
zoom
C
13
H
12
N
3
O
3
258.2521
2
2
0
0
8857911
zoom
C
13
H
12
N
3
O
3
258.2521
2
1
0
0
3929935
zoom
C
13
H
12
N
3
O
3
258.2521
1
1
0
0
3932060
zoom
C
13
H
12
N
3
O
3
258.2532
1
1
0
0
3932275
- 0/1 defined
zoom
C
13
H
12
N
3
O
3
258.2521
1
1
0
0
3932276
- 0/2 defined
zoom
C
13
H
12
N
3
O
3
258.2521
1
1
0
0
4181852
zoom
C
13
H
12
N
3
O
3
258.25268
1
1
0
0
4234923
zoom
C
13
H
12
N
3
O
3
258.25268
1
1
0
0
4251537
zoom
C
13
H
12
N
3
O
3
258.25268
1
1
0
0
1
2
3
Advertisement
Advertisement
Spotlight
Advertisement