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 59 results
Search term:
MF = 'C_{21}H_{40}N_{2}'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4942558
zoom
C
21
H
40
N
2
320.5557
13
19
0
0
498090
zoom
C
21
H
40
N
2
320.5557
9
9
0
0
478588
zoom
C
21
H
40
N
2
320.5557
7
7
0
0
4981171
zoom
C
21
H
40
N
2
320.5557
7
6
0
0
8909838
zoom
C
21
H
40
N
2
320.5557
6
5
0
0
4896424
zoom
C
21
H
40
N
2
320.5557
6
10
0
0
4940591
zoom
C
21
H
40
N
2
320.5557
4
5
0
0
4520282
zoom
C
21
H
40
N
2
320.5557
4
5
0
0
4520283
zoom
C
21
H
40
N
2
320.5557
4
5
0
0
4520284
zoom
C
21
H
40
N
2
320.5557
4
5
0
0
69244
- 0/2 defined
zoom
C
21
H
40
N
2
320.5557
3
2
0
0
2324693
zoom
C
21
H
40
N
2
320.555700000001
3
3
0
0
21168361
zoom
C
21
H
40
N
2
320.5557
3
3
0
0
23196616
- 0/2 defined
zoom
C
21
H
40
N
2
320.5557
3
3
0
0
57471802
zoom
C
21
H
40
N
2
320.5557
3
3
0
0
88301748
- 0/4 defined
zoom
C
21
H
40
N
2
320.5557
2
2
0
0
44765447
- 0/2 defined
zoom
C
21
H
40
N
2
320.5557
2
2
0
0
44765462
- 0/3 defined
zoom
C
21
H
40
N
2
320.5557
2
2
0
0
44765475
- 0/3 defined
zoom
C
21
H
40
N
2
320.5557
2
2
0
0
44765476
- 0/3 defined
zoom
C
21
H
40
N
2
320.5557
2
2
0
0
1
2
3
Advertisement
Advertisement
Spotlight
Advertisement