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 1841 results
Search term:
MF = 'C_{21}H_{29}N_{5}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
577830
zoom
C
21
H
29
N
5
O
4
415.4861
23
14
0
0
2400137
- 0/1 defined
zoom
C
21
H
29
N
5
O
4
415.48606
19
12
0
0
2400144
- 0/2 defined
zoom
C
21
H
29
N
5
O
4
415.48606
18
12
0
0
2413529
zoom
C
21
H
29
N
5
O
4
415.4861
17
12
0
0
8701318
- 0/1 defined
zoom
C
21
H
29
N
5
O
4
415.4861
17
11
0
0
3319077
- 0/1 defined
zoom
C
21
H
29
N
5
O
4
415.4861
16
9
0
0
34982725
zoom
C
21
H
29
N
5
O
4
415.4861
16
15
0
0
2413490
- 0/1 defined
zoom
C
21
H
29
N
5
O
4
415.4861
15
10
0
0
2413493
- 0/2 defined
zoom
C
21
H
29
N
5
O
4
415.4861
15
10
0
0
2413507
- 0/2 defined
zoom
C
21
H
29
N
5
O
4
415.4861
15
10
0
0
12903814
- 0/1 defined
zoom
C
21
H
29
N
5
O
4
415.4861
15
10
0
0
4986306
- 0/1 defined
zoom
C
21
H
29
N
5
O
4
415.4861
15
10
0
0
170697
zoom
C
21
H
29
N
5
O
4
415.4861
14
15
0
0
17920517
- 0/1 defined
zoom
C
21
H
29
N
5
O
4
415.4861
14
9
0
0
3858329
- 0/2 defined
zoom
C
21
H
29
N
5
O
4
415.4861
14
10
0
0
4034170
zoom
C
21
H
29
N
5
O
4
415.48606
14
9
0
0
3044735
- 0/1 defined
zoom
C
21
H
29
N
5
O
4
415.48606
14
10
0
0
20248804
zoom
C
21
H
29
N
5
O
4
415.4861
13
9
0
0
17319988
- 0/1 defined
zoom
C
21
H
29
N
5
O
4
415.4861
13
12
0
0
17920465
- 0/2 defined
zoom
C
21
H
29
N
5
O
4
415.4861
13
8
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement