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 208 results
Search term:
MF = 'C_{21}H_{26}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
3304489
zoom
C
21
H
26
278.4311
97
65
0
1
9315549
zoom
C
21
H
26
278.4311
53
38
0
1
2080381
zoom
C
21
H
26
278.43114
15
11
0
0
122296
zoom
C
21
H
26
278.4311
11
11
0
0
2546787
zoom
C
21
H
26
278.4311
10
7
0
0
127782
zoom
C
21
H
26
278.4311
5
6
0
0
9360129
zoom
C
21
H
26
278.4311
5
3
0
0
28584408
zoom
C
21
H
26
278.4311
4
3
0
0
35778482
zoom
C
21
H
26
278.4311
3
3
0
0
57514544
zoom
C
21
H
26
278.4311
3
3
0
0
9197432
- 0/2 defined
zoom
C
21
H
26
278.4311
3
2
0
0
11466763
zoom
C
21
H
26
278.4311
3
2
0
0
488141
- 0/1 defined
zoom
C
21
H
26
278.4311
3
4
0
0
8621709
zoom
C
21
H
26
278.4311
3
2
0
0
8692150
zoom
C
21
H
26
278.4311
3
4
0
0
8692151
- 2/2 defined
zoom
C
21
H
26
278.4311
2
1
0
0
9025538
zoom
C
21
H
26
278.4311
2
1
0
0
4395937
zoom
C
21
H
26
278.43114
2
1
0
0
9429479
- 2/2 defined
zoom
C
21
H
26
278.4311
2
1
0
0
9992938
- 0/2 defined
zoom
C
21
H
26
278.4311
2
1
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement