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 4302 results
Search term:
MF = 'C_{21}H_{28}N_{6}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
25027387
- 1/1 defined
zoom
C
21
H
28
N
6
O
2
396.486
76
82
0
0
853510
zoom
C
21
H
28
N
6
O
2
396.486
27
18
0
0
928890
zoom
C
21
H
28
N
6
O
2
396.486
26
17
0
0
851987
zoom
C
21
H
28
N
6
O
2
396.486
26
17
0
0
4966319
zoom
C
21
H
28
N
6
O
2
396.486
24
15
0
0
2260375
zoom
C
21
H
28
N
6
O
2
396.48602
23
15
0
0
2257662
zoom
C
21
H
28
N
6
O
2
396.48602
22
15
0
0
2572418
zoom
C
21
H
28
N
6
O
2
396.486
22
14
0
0
4072261
zoom
C
21
H
28
N
6
O
2
396.48602
22
12
0
0
4083732
zoom
C
21
H
28
N
6
O
2
396.48602
21
17
0
0
4084150
zoom
C
21
H
28
N
6
O
2
396.48602
21
16
0
0
2257666
zoom
C
21
H
28
N
6
O
2
396.48602
21
16
0
0
1470905
zoom
C
21
H
28
N
6
O
2
396.486
21
11
0
0
2261462
zoom
C
21
H
28
N
6
O
2
396.48602
19
14
0
0
13176960
- 0/1 defined
zoom
C
21
H
28
N
6
O
2
396.48602
19
19
0
0
4074393
zoom
C
21
H
28
N
6
O
2
396.48602
19
12
0
0
4077676
zoom
C
21
H
28
N
6
O
2
396.48602
18
13
0
0
2704367
zoom
C
21
H
28
N
6
O
2
396.48602
18
11
0
0
4084706
zoom
C
21
H
28
N
6
O
2
396.48602
18
13
0
0
573017
zoom
C
21
H
28
N
6
O
2
396.486
18
14
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement