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 5745 results
Search term:
MF = 'C_{21}H_{25}NO_{5}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
89201
- 1/1 defined
zoom
C
21
H
25
NO
5
371.4269
100
145
0
4
191135
- 1/1 defined
zoom
C
21
H
25
NO
5
371.4269
75
123
0
7
5360705
- 1/1 defined
zoom
C
21
H
25
NO
5
371.4269
61
77
0
0
2730
- 0/1 defined
zoom
C
21
H
25
NO
5
371.4269
59
367
1336
79
848237
- 1/1 defined
zoom
C
21
H
25
NO
5
371.4269
59
67
0
0
5382023
- 1/1 defined
zoom
C
21
H
25
NO
5
371.4269
54
66
0
0
2036780
- 2/2 defined
zoom
C
21
H
25
NO
5
371.4269
44
51
0
0
260178
- 0/1 defined
zoom
C
21
H
25
NO
5
371.4269
43
61
0
4
894837
zoom
C
21
H
25
NO
5
371.4269
40
55
0
0
9603570
- 1/1 defined
zoom
C
21
H
25
NO
5
371.4269
40
51
0
0
16497971
zoom
C
21
H
25
NO
5
371.4269
29
37
0
0
28537376
- 2/2 defined
zoom
C
21
H
25
NO
5
371.4269
29
32
0
0
2357943
- 0/1 defined
zoom
C
21
H
25
NO
5
371.4269
29
35
0
0
2612710
- 0/1 defined
zoom
C
21
H
25
NO
5
371.4269
29
37
0
0
2124701
- 0/1 defined
zoom
C
21
H
25
NO
5
371.4269
27
34
0
0
2090353
- 0/1 defined
zoom
C
21
H
25
NO
5
371.4269
27
35
0
0
2114756
- 0/1 defined
zoom
C
21
H
25
NO
5
371.4269
27
32
0
0
2121564
- 0/1 defined
zoom
C
21
H
25
NO
5
371.4269
27
35
0
0
2124372
- 0/1 defined
zoom
C
21
H
25
NO
5
371.4269
26
32
0
0
1278106
zoom
C
21
H
25
NO
5
371.4269
26
30
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement