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 11007 results
Search term:
MF = 'C_{16}H_{19}ClN_{4}O'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4975366
zoom
C
16
H
19
ClN
4
O
318.8013
26
21
0
0
2078814
zoom
C
16
H
19
ClN
4
O
318.80126
24
20
0
0
4395563
zoom
C
16
H
19
ClN
4
O
318.80126
23
16
0
0
25075957
zoom
C
16
H
19
ClN
4
O
318.8013
23
16
0
0
12265834
zoom
C
16
H
19
ClN
4
O
318.8013
20
12
0
0
804269
zoom
C
16
H
19
ClN
4
O
318.8013
20
13
0
0
7441239
zoom
C
16
H
19
ClN
4
O
318.8013
19
10
0
0
29312369
zoom
C
16
H
19
ClN
4
O
318.8013
19
12
0
0
4968920
zoom
C
16
H
19
ClN
4
O
318.8013
18
18
0
0
4970628
zoom
C
16
H
19
ClN
4
O
318.8013
18
17
0
0
4971823
zoom
C
16
H
19
ClN
4
O
318.8013
18
18
0
0
4972949
zoom
C
16
H
19
ClN
4
O
318.8013
18
18
0
0
4550068
zoom
C
16
H
19
ClN
4
O
318.8013
18
11
0
0
4968385
zoom
C
16
H
19
ClN
4
O
318.8013
17
15
0
0
4499818
zoom
C
16
H
19
ClN
4
O
318.8013
17
14
0
0
4537811
zoom
C
16
H
19
ClN
4
O
318.8013
17
11
0
0
6336726
zoom
C
16
H
19
ClN
4
O
318.8013
17
13
0
0
17460393
zoom
C
16
H
19
ClN
4
O
318.8013
17
13
0
0
802792
zoom
C
16
H
19
ClN
4
O
318.8013
16
10
0
0
1242996
zoom
C
16
H
19
ClN
4
O
318.8013
16
11
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement