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 7 results
Search term:
MF = 'C_{40}H_{26}N_{2}O_{4}'
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
56322
zoom
C
40
H
26
N
2
O
4
598.6454
47
58
0
0
3400074
zoom
C
40
H
26
N
2
O
4
598.645439999999
33
22
0
0
95058
zoom
C
40
H
26
N
2
O
4
598.6454
27
28
0
0
2355073
zoom
C
40
H
26
N
2
O
4
598.645439999999
6
4
0
0
3754914
zoom
C
40
H
26
N
2
O
4
598.645439999999
6
3
0
0
13178387
zoom
C
40
H
26
N
2
O
4
598.6454
1
1
0
0
30790670
zoom
C
40
H
26
N
2
O
4
598.6454
1
1
0
0
Advertisement
Advertisement
Spotlight
Advertisement