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 1706 results
Search term:
MF = 'C_{20}H_{24}ClN_{3}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2253327
- 0/1 defined
zoom
C
20
H
24
ClN
3
O
4
405.87526
24
18
0
0
958454
zoom
C
20
H
24
ClN
3
O
4
405.8753
20
14
0
0
4457380
- 0/1 defined
zoom
C
20
H
24
ClN
3
O
4
405.87526
19
15
0
0
34485565
- 0/1 defined
zoom
C
20
H
24
ClN
3
O
4
405.8753
19
17
0
0
1029161
zoom
C
20
H
24
ClN
3
O
4
405.8753
18
14
0
0
927386
zoom
C
20
H
24
ClN
3
O
4
405.8753
17
13
0
0
958345
zoom
C
20
H
24
ClN
3
O
4
405.8753
16
12
0
0
2478813
zoom
C
20
H
24
ClN
3
O
4
405.8753
14
8
0
0
12920280
zoom
C
20
H
24
ClN
3
O
4
405.8753
14
12
0
0
17321297
- 0/1 defined
zoom
C
20
H
24
ClN
3
O
4
405.8753
13
12
0
0
17321325
zoom
C
20
H
24
ClN
3
O
4
405.8753
13
10
0
0
3978695
zoom
C
20
H
24
ClN
3
O
4
405.8753
13
10
0
0
4060433
- 0/1 defined
zoom
C
20
H
24
ClN
3
O
4
405.87526
13
9
0
0
22157533
zoom
C
20
H
24
ClN
3
O
4
405.8753
13
11
0
0
32514144
zoom
C
20
H
24
ClN
3
O
4
405.8753
13
11
0
0
10045305
- 2/2 defined
zoom
C
20
H
24
ClN
3
O
4
405.8753
12
8
0
0
10904166
- 0/1 defined
zoom
C
20
H
24
ClN
3
O
4
405.8753
11
9
0
0
7396674
zoom
C
20
H
24
ClN
3
O
4
405.8753
11
8
0
0
21261205
zoom
C
20
H
24
ClN
3
O
4
405.8753
11
8
0
0
1579900
zoom
C
20
H
24
ClN
3
O
4
405.8753
11
7
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement