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Acetaminophen
CAS: 103-90-2 | C8H9NO2
2D Structure
3D Structure
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Basic Information
CAS Registry Number:
103-90-2
Molecular Formula:
C8H9NO2
Molecular Mass:
151.17 g/mol
Names and Synonyms:
Acetaminophen
Acetamide, N-(4-hydroxyphenyl)-
Acetanilide, 4′-hydroxy-
N-(4-Hydroxyphenyl)acetamide
Acetagesic
p-Acetamidophenol
4-Acetamidophenol
Acetaminophen
N-Acetyl-p-aminophenol
Alvedon
Amadil
Anelix
Apamide
Calpol
Clixodyne
Eneril
Febro-Gesic
Febrolin
Fendon
4′-Hydroxyacetanilide
p-Hydroxyacetanilide
Lestemp
Liquagesic
Lonarid
Lyteca
Lyteca Syrup
Multin
NAPA
NAPAP
Nobedon
Panadol
Paracetamol
Tabalgin
Tempra
Tralgon
Paralen
Tylenol
Valgesic
APAP
Pyrinazine
4-Hydroxyacetanilide
4-(Acetylamino)phenol
N-Acetyl-4-aminophenol
p-(Acetylamino)phenol
Dymadon
Naprinol
Panets
Homoolan
Febrilix
Abensanil
Anaflon
Hedex
Pacemo
Parmol
Acamol
Bickie-mol
Dial-a-gesic
Temlo
Valadol
Cetadol
Acetalgin
Finimal
Dirox
Paracetamole
Ben-u-ron
Apamid
Acetaminofen
Phendon
Pedric
Napafen
Tempanal
Algotropyl
4-Acetaminophenol
Paracetamol DC
Acenol
Acenol (pharmaceutical)
N-Acetyl-4-hydroxyaniline
Biocetamol
Duorol
Crocin
NAPA (analgesic)
Fepanil
4-(N-Acetylamino)phenol
p-Acetoaminophen
Gattaphen T
Panodil
Pinex
Pinex (pharmaceutical)
Tachipirina
Paramol
Efferalgan
Citramon P
Daphalgan
Gelocatil
Resprin
Vick Pyrena
Pamol
Panadol Extend
Exdol
Ortensan
Pacemol
Anhiba
Alpiny
Paraspen
Dolprone
Paldesic
Datril
Banesin
Enelfa
Eu-Med
Tapar
Nebs
Doliprane
Febrilex
Dafalgan
Panaleve
Claratal
Momentum
Korum
Salzone
p-Aceaminophenol
Pasolind N
Disprol
Captin
Phenaphen
Parelan
Panasorb
Prodafalgan
Resfenol
NSC 109028
NSC 3991
Rhodapop NCR
Panadol Actifast
Perfalgan
Endophy
Puerxitong
Jin Gang
Daga
Sara
panadeine
Minoset
Minoset Plus
Vermidon
TylolHot
Gutte Enteric
Parageniol
Pyral
Adol
Colimex tabs
Cyclopam
Aminofen
Para-Tabs
Paracip
Dolo
Rapidol
Sanador
N-(p-Hydroxyphenyl)acetamide
Dolo 650
Femol
Tyfy
Paracet
N-(4-Hydroxyphenyl)ethanamide
Pyril
Pyretinol
Pacimol
Compap L
Pyridol
Eperimol
Huangnamin
Tamol (pharmaceutical)
Aphlogis
Paraceta
Identifiers:
SMILES:
CC(O)=Nc1ccc(O)cc1
InChI:
InChI=1S/C8H9NO2/c1-6(10)9-7-2-4-8(11)5-3-7/h2-5,11H,1H3,(H,9,10)
Key Properties
Boiling Point
500 °C
CAS Common Chemistry
Melting Point
169-170.5 °C
CAS Common Chemistry
Density
1.29 g/cm³
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 151.17 g/mol | CAS Common Chemistry |
| 151.165 g/mol | RDKit | |
| 151.063328528 g/mol | RDKit | |
| Density | 1.29 g/cm³ | CAS Common Chemistry |
| 1.293 g/cm3 @ Temp: 21 °C | CAS Common Chemistry | |
| Boiling Point | 500 °C | CAS Common Chemistry |
| Canonical SMILES | O=C(NC1=CC=C(O)C=C1)C | CAS Common Chemistry |
| InChI | InChI=1S/C8H9NO2/c1-6(10)9-7-2-4-8(11)5-3-7/h2-5,11H,1H3,(H,9,10) | CAS Common Chemistry |
| InChI Key | InChIKey=RZVAJINKPMORJF-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 169-170.5 °C | CAS Common Chemistry |
| Name | Acetaminophen | CAS Common Chemistry |
| Heavy Atom Count | 11 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 52.82000000000001 Ų | RDKit |
| LogP | 2.0000999999999998 | RDKit |
| Molar Refractivity | 43.504600000000025 | RDKit |
