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 50 results
Search term:
MF = 'C_{40}H_{54}'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4444665
zoom
C
40
H
54
534.85676
15
44
54
7
17220904
zoom
C
40
H
54
534.8568
13
17
0
0
8182897
zoom
C
40
H
54
534.8568
8
7
0
0
8393678
zoom
C
40
H
54
534.8568
6
7
0
12
17220869
zoom
C
40
H
54
534.8568
5
6
0
0
10225631
zoom
C
40
H
54
534.8568
4
5
0
0
10147289
zoom
C
40
H
54
534.8568
3
2
0
0
8182898
zoom
C
40
H
54
534.8568
3
2
0
0
4941891
zoom
C
40
H
54
534.8568
3
4
0
0
8160219
zoom
C
40
H
54
534.8568
2
1
0
0
4479586
zoom
C
40
H
54
534.8568
2
2
0
0
8545326
zoom
C
40
H
54
534.8568
2
1
0
0
390287
zoom
C
40
H
54
534.8568
2
1
0
0
17279457
- 0/1 defined
zoom
C
40
H
54
534.8568
2
2
0
0
59700029
- 0/1 defined
zoom
C
40
H
54
534.8568
2
2
0
0
59700409
zoom
C
40
H
54
534.8568
2
2
0
0
59700411
zoom
C
40
H
54
534.8568
2
2
0
0
59700428
zoom
C
40
H
54
534.8568
2
2
0
0
61711740
- 0/1 defined
zoom
C
40
H
54
534.8568
1
1
0
0
1
2
3
Advertisement
Advertisement
Spotlight
Advertisement