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 496 results
Search term:
MF = 'C_{21}H_{33}N_{5}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
22185161
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
11
10
0
0
10988868
zoom
C
21
H
33
N
5
O
4
419.5178
10
7
0
0
21933925
zoom
C
21
H
33
N
5
O
4
419.5178
10
8
0
0
392213
- 2/2 defined
zoom
C
21
H
33
N
5
O
4
419.5178
9
10
0
0
21746413
zoom
C
21
H
33
N
5
O
4
419.5178
9
6
0
0
22203856
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
9
7
0
0
22298081
zoom
C
21
H
33
N
5
O
4
419.5178
9
6
0
0
22397763
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
8
6
0
0
11137944
zoom
C
21
H
33
N
5
O
4
419.5178
8
6
0
0
22966782
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
8
8
0
0
22966807
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
8
8
0
0
22967040
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
8
8
0
0
22967092
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
8
8
0
0
29549169
zoom
C
21
H
33
N
5
O
4
419.5178
8
8
0
0
29636945
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
8
7
0
0
30230763
zoom
C
21
H
33
N
5
O
4
419.5178
8
6
0
0
34270571
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
7
6
0
0
64890846
- 0/2 defined
zoom
C
21
H
33
N
5
O
4
419.5178
7
6
0
0
23060901
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
7
7
0
0
22473103
- 0/1 defined
zoom
C
21
H
33
N
5
O
4
419.5178
7
7
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement