paracetamol and its Impurities

Paracetamol is used for reducing fever in people of all ages. Paracetamol is available as a generic medication with trade names including Tylenol and Panadol, among others. It also known as acetaminophen.Reference standards of Paracetamol API,and its pharmacopeial, non pharmacopieal impurities, and stable isotopes are listed below.

Displaying 66 results for paracetamol Impurities
PA 16 06000

Paracetamol - API

Paracetamol

  • Catalogue No.:PA 16 06000

  • CAS :

    103-90-2

  • Molecular Formula : C8H9NO2

  • Molecular Weight : 151.16

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PA 16 06010

Paracetamol - Impurity A

2-Acetamidophenol

  • Catalogue No.:PA 16 06010

  • CAS :

    614-80-2

  • Molecular Formula : C8H9NO2

  • Molecular Weight : 151.16

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PA 16 06020

Paracetamol - Impurity B

N-Propionyl-4-aminophenol

  • Catalogue No.:PA 16 06020

  • CAS :

    1693-37-4

  • Molecular Formula : C9H11NO2

  • Molecular Weight : 165.19

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PA 16 06030

Paracetamol - Impurity C

3-Chloro-4-hydroxyacetanilide

  • Catalogue No.:PA 16 06030

  • CAS :

    3964-54-3

  • Molecular Formula : C8H8ClNO2

  • Molecular Weight : 185.61

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PA 16 06040

Paracetamol - Impurity D

Acetylaniline

  • Catalogue No.:PA 16 06040

  • CAS :

    103-84-4

  • Molecular Formula : C8H9NO

  • Molecular Weight : 135.16

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PA 16 06050

Paracetamol - Impurity E

4-Hydroxyacetophenone

  • Catalogue No.:PA 16 06050

  • CAS :

    99-93-4

  • Molecular Formula : C8H8O2

  • Molecular Weight : 136.15

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PA 16 06060

Paracetamol - Impurity F

4-Nitrophenol

  • Catalogue No.:PA 16 06060

  • CAS :

    100-02-7

  • Molecular Formula : C6H5NO3

  • Molecular Weight : 139.11

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PA 16 06070

Paracetamol - Impurity G

4-Hydroxyacetophenone Oxime

  • Catalogue No.:PA 16 06070

  • CAS :

    34523-34-7

  • Molecular Formula : C8H9NO2

  • Molecular Weight : 151.16

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PA 16 06080

Paracetamol - Impurity H

N,O-Diacetyl-4-aminophenol

  • Catalogue No.:PA 16 06080

  • CAS :

    2623-33-8

  • Molecular Formula : C10H11NO3

  • Molecular Weight : 193.20

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PA 16 06090

Paracetamol - Impurity I

2-Hydroxyacetophenone

  • Catalogue No.:PA 16 06090

  • CAS :

    118-93-4

  • Molecular Formula : C8H8O2

  • Molecular Weight : 136.15

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PA 16 06100

Paracetamol - Impurity J

4-Chloroacetanilide

  • Catalogue No.:PA 16 06100

  • CAS :

    539-03-7

  • Molecular Formula : C8H8ClNO

  • Molecular Weight : 169.61

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PA 16 06110

Paracetamol - Impurity K

4-Aminophenol

  • Catalogue No.:PA 16 06110

  • CAS :

    123-30-8

  • Molecular Formula : C6H7NO

  • Molecular Weight : 109.13

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PA 16 06111

Paracetamol - Impurity K (Hydrochloride Salt)

4-Aminophenol Hydrochloride

  • Catalogue No.:PA 16 06111

  • CAS :

    51-78-5

  • Molecular Formula : C6H8ClNO

  • Molecular Weight : 145.59

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PA 16 06120

Paracetamol - Impurity L

N-[4-[4-(Acetylamino)-2-hydroxyphenoxy]phenyl]acetamide

  • Catalogue No.:PA 16 06120

  • CAS :

    NA

  • Molecular Formula : C16H16N2O4

  • Molecular Weight : 300.31

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PA 16 06130

Paracetamol - Impurity M

4,4'-Iminodiphenol

  • Catalogue No.:PA 16 06130

  • CAS :

    1752-24-5

  • Molecular Formula : C12H11NO2

  • Molecular Weight : 201.22

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PA 16 06510

3-Aminophenol

3-Aminophenol

  • Catalogue No.:PA 16 06510

  • CAS :

    591-27-5

  • Molecular Formula : C6H7NO

  • Molecular Weight : 109.13

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PA 16 06520

N-[4-[(4-Hydroxyphenyl)amino]phenyl]acetamide

N-[4-[(4-Hydroxyphenyl)amino]phenyl]acetamide

  • Catalogue No.:PA 16 06520

  • CAS :

    93629-82-4

  • Molecular Formula : C14H14N2O2

  • Molecular Weight : 242.27

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PA 16 06530

Paracetamol - Impurity N

N,N'-(oxydi-4,1-phenylene)bisacetamide

  • Catalogue No.:PA 16 06530

  • CAS :

    3070-86-8

  • Molecular Formula : C16H16N2O3

  • Molecular Weight : 284.31

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PA 16 06540

4,4'-diaminodiphenyl ether

4,4'-diaminodiphenyl ether

  • Catalogue No.:PA 16 06540

  • CAS :

    101-80-4

  • Molecular Formula : C12H12N2O

  • Molecular Weight : 200.24

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PA 16 06550

4-Hydroxydiphenylamine

4-Hydroxydiphenylamine

  • Catalogue No.:PA 16 06550

  • CAS :

    122-37-2

  • Molecular Formula : C12H11NO

  • Molecular Weight : 185.22

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PA 16 06560

2-Hydroxy-4',5-diacetamido-diphenyl Ether

2-Hydroxy-4',5-diacetamido-diphenyl Ether

  • Catalogue No.:PA 16 06560

  • CAS :

    NA

  • Molecular Formula : C17H18N2O4

  • Molecular Weight : 314.34

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PA 16 06570

Acetaminophen Dimer

Acetaminophen Dimer

  • Catalogue No.:PA 16 06570

  • CAS :

    98966-14-4

  • Molecular Formula : C16H16N2O4

  • Molecular Weight : 300.31

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PA 16 06580

N-(4-((4-(Prop-1-en-2-ylamino)cyclohexa-2,4-dien-1-yl)oxy)phenyl)acetamide

N-(4-((4-(Prop-1-en-2-ylamino)cyclohexa-2,4-dien-1-yl)oxy)phenyl)acetamide

  • Catalogue No.:PA 16 06580

  • CAS :

    NA

  • Molecular Formula : C17H20N2O2

  • Molecular Weight : 284.36

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PA 16 06590

2-Hydroxy-4',5-diacetamido-biphenyl

2-Hydroxy-4',5-diacetamido-biphenyl

  • Catalogue No.:PA 16 06590

  • CAS :

    NA

  • Molecular Formula : C16H16N2O3

  • Molecular Weight : 284.32

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PA 16 06600

N-[5-(Acetylamino)-2-hydroxyphenyl]-N-(4-hydroxyphenyl)acetamide

N-[5-(Acetylamino)-2-hydroxyphenyl]-N-(4-hydroxyphenyl)acetamide

  • Catalogue No.:PA 16 06600

  • CAS :

    98966-17-7

  • Molecular Formula : C16H16N2O4

  • Molecular Weight : 300.31

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PA 16 06610

N,N'-(2-Hydroxy-[1,1'-biphenyl]-4,4'-diyl)diacetamide

N,N'-(2-Hydroxy-[1,1'-biphenyl]-4,4'-diyl)diacetamide

  • Catalogue No.:PA 16 06610

  • CAS :

    NA

  • Molecular Formula : C16H16N2O3

  • Molecular Weight : 284.32

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PA STI 002510

3-[N-Acetyl-L-cystein-S-yl] Acetaminophen-d5 Sodium Salt (Major)

  • Catalogue No.:PA STI 002510

  • CAS :

    1331911-02-4

  • Molecular Formula : C13H10D5N2NaO5S

  • Molecular Weight : 339.35

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PA STI 003240

N-Acetyl-S-methyl-L-cysteine-d3

  • Catalogue No.:PA STI 003240

  • CAS :

    1279039-06-3

  • Molecular Formula : C6H8D3NO3S

  • Molecular Weight : 180.24

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PA STI 004980

AM 404-d4

  • Catalogue No.:PA STI 004980

  • CAS :

    1185244-71-6

  • Molecular Formula : C26H33D4NO2

  • Molecular Weight : 399.60

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PA STI 006880

4-Aminophenol-13C6

  • Catalogue No.:PA STI 006880

  • CAS :

    1246820-76-7

  • Molecular Formula : 13C6H7NO

  • Molecular Weight : 115.08

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PA STI 011760

O-Benzyl-S-(methyl-d3)-3-thioacetaminophen

  • Catalogue No.:PA STI 011760

  • CAS :

    1184990-56-4

  • Molecular Formula : C16H14D3NO2S

  • Molecular Weight : 290.40

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PA STI 023950

3-Cysteinylacetaminophen-D5 (major), Trifluoroacetic Acid Salt

  • Catalogue No.:PA STI 023950

  • CAS :

    NA

  • Molecular Formula : C13H12D3F3N2O6S

  • Molecular Weight : 387.35

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PAI 16 010010

N-(4-((4-Methoxyphenyl)amino)phenyl)acetamide

N-(4-((4-Methoxyphenyl)amino)phenyl)acetamide

  • Catalogue No.:PAI 16 010010

  • CAS :

    NA

  • Molecular Formula : C15H16N2O2

  • Molecular Weight : 256.30

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PAI 16 010020

4,4′-Dimethoxydiphenylamine

4,4′-Dimethoxydiphenylamine

  • Catalogue No.:PAI 16 010020

  • CAS :

    101-70-2

  • Molecular Formula : C14H15NO2

  • Molecular Weight : 229.27

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PAI 16 010040

4-(N-(2-Acetoxy-5-nitrophenyl)acetamido)phenyl Acetate

4-(N-(2-Acetoxy-5-nitrophenyl)acetamido)phenyl Acetate

  • Catalogue No.:PAI 16 010040

  • CAS :

    NA

  • Molecular Formula : C18H16N2O7

  • Molecular Weight : 372.33

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PAI 16 010050

4-(N-(2-Acetoxy-5-aminophenyl)acetamido)phenyl Acetate

4-(N-(2-Acetoxy-5-aminophenyl)acetamido)phenyl Acetate

  • Catalogue No.:PAI 16 010050

  • CAS :

    NA

  • Molecular Formula : C18H18N2O5

  • Molecular Weight : 342.35

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PAI 16 010060

N-(5-Amino-2-hydroxyphenyl)-N-(4-hydroxyphenyl)acetamide

N-(5-Amino-2-hydroxyphenyl)-N-(4-hydroxyphenyl)acetamide

  • Catalogue No.:PAI 16 010060

  • CAS :

    NA

  • Molecular Formula : C14H14N2O3

  • Molecular Weight : 258.28

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PAI 16 010070

2-Iodo-4-nitrophenol

2-Iodo-4-nitrophenol

  • Catalogue No.:PAI 16 010070

  • CAS :

    89487-91-2

  • Molecular Formula : C6H4INO3

  • Molecular Weight : 265.01

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PAI 16 010080

4',5-Dinitro-[1,1'-biphenyl]-2-ol

4',5-Dinitro-[1,1'-biphenyl]-2-ol

  • Catalogue No.:PAI 16 010080

  • CAS :

    NA

  • Molecular Formula : C12H8N2O5

  • Molecular Weight : 260.21

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PAI 16 010090

4',5-Diamino-[1,1'-biphenyl]-2-ol

4',5-Diamino-[1,1'-biphenyl]-2-ol

  • Catalogue No.:PAI 16 010090

  • CAS :

    NA

  • Molecular Formula : C12H12N2O

  • Molecular Weight : 200.24

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PAI 16 010100

2-Methoxy-4-nitro-1-(4-nitrophenoxy)benzene

2-Methoxy-4-nitro-1-(4-nitrophenoxy)benzene

  • Catalogue No.:PAI 16 010100

  • CAS :

    NA

  • Molecular Formula : C13H10N2O6

  • Molecular Weight : 290.23

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PAI 16 010110

5-Nitro-2-(4-nitrophenoxy)phenol

5-Nitro-2-(4-nitrophenoxy)phenol

  • Catalogue No.:PAI 16 010110

  • CAS :

    NA

  • Molecular Formula : C12H8N2O6

  • Molecular Weight : 276.20

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PAI 16 010120

5-Amino-2-(4-aminophenoxy)phenol

5-Amino-2-(4-aminophenoxy)phenol

  • Catalogue No.:PAI 16 010120

  • CAS :

    NA

  • Molecular Formula : C12H12N2O2

  • Molecular Weight : 216.24

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PAI 16 010130

4-((4-Nitrophenyl)amino)phenol

4-((4-Nitrophenyl)amino)phenol

  • Catalogue No.:PAI 16 010130

  • CAS :

    16078-86-7

  • Molecular Formula : C12H10N2O3

  • Molecular Weight : 230.22

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PAI 16 010140

4-((4-aminophenyl)amino)phenol

4-((4-aminophenyl)amino)phenol

  • Catalogue No.:PAI 16 010140

  • CAS :

    NA

  • Molecular Formula : C12H12N2O

  • Molecular Weight : 200.24

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PAI 16 010150

N-(4-(2-Methoxy-4-nitrophenoxy)phenyl)acetamide

N-(4-(2-Methoxy-4-nitrophenoxy)phenyl)acetamide

  • Catalogue No.:PAI 16 010150

  • CAS :

    NA

  • Molecular Formula : C15H14N2O5

  • Molecular Weight : 302.29

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PAI 16 010160

N-(4-(2-Hydroxy-4-nitrophenoxy)phenyl)acetamide

N-(4-(2-Hydroxy-4-nitrophenoxy)phenyl)acetamide

  • Catalogue No.:PAI 16 010160

  • CAS :

    NA

  • Molecular Formula : C14H12N2O5

  • Molecular Weight : 288.26

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PAI 16 010170

N-(4-(4-Amino-2-hydroxyphenoxy)phenyl)acetamide

N-(4-(4-Amino-2-hydroxyphenoxy)phenyl)acetamide

  • Catalogue No.:PAI 16 010170

  • CAS :

    NA

  • Molecular Formula : C14H14N2O3

  • Molecular Weight : 258.28

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PAI 16 010180

5-Amino-2-bromophenol

5-Amino-2-bromophenol

  • Catalogue No.:PAI 16 010180

  • CAS :

    55120-56-4

  • Molecular Formula : C6H6BrNO

  • Molecular Weight : 188.02

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PAI 16 010190

5-Acetamido-2-bromophenyl Acetate

5-Acetamido-2-bromophenyl Acetate

  • Catalogue No.:PAI 16 010190

  • CAS :

    NA

  • Molecular Formula : C10H10BrNO3

  • Molecular Weight : 272.10

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PAI 16 010200

N-(4-Bromophenyl)acetamide

N-(4-Bromophenyl)acetamide

  • Catalogue No.:PAI 16 010200

  • CAS :

    103-88-8

  • Molecular Formula : C8H8BrNO

  • Molecular Weight : 214.06

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PAI 16 010210

4-Acetamidophenylboronic Acid

4-Acetamidophenylboronic Acid

  • Catalogue No.:PAI 16 010210

  • CAS :

    101251-09-6

  • Molecular Formula : C8H10BNO3

  • Molecular Weight : 178.98

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PAI 16 010220

4,4'-Diacetamido-[1,1'-biphenyl]-2-yl Acetate

4,4'-Diacetamido-[1,1'-biphenyl]-2-yl Acetate

  • Catalogue No.:PAI 16 010220

  • CAS :

    NA

  • Molecular Formula : C18H18N2O4

  • Molecular Weight : 326.35

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PAI 16 010230

4,4,5,5-Tetramethyl-2-(4-nitrophenyl)-1,3,2-dioxaborolane

4,4,5,5-Tetramethyl-2-(4-nitrophenyl)-1,3,2-dioxaborolane

  • Catalogue No.:PAI 16 010230

  • CAS :

    171364-83-3

  • Molecular Formula : C12H16BNO4

  • Molecular Weight : 249.07

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PAI 16 010240

4-Methoxy-N-(4-nitrophenyl)aniline

4-Methoxy-N-(4-nitrophenyl)aniline

  • Catalogue No.:PAI 16 010240

  • CAS :

    730-11-0

  • Molecular Formula : C13H12N2O3

  • Molecular Weight : 244.25

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PAI 16 010250

N1-(4-Methoxyphenyl)benzene-1,4-diamine

N1-(4-Methoxyphenyl)benzene-1,4-diamine

  • Catalogue No.:PAI 16 010250

  • CAS :

    NA

  • Molecular Formula : C13H14N2O

  • Molecular Weight : 214.27

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PA ICRS0377

Paracetamol (ICRS0377)

  • Catalogue No.:PA ICRS0377

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

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PA IPIPRS 54 14

Paracetamol (IPRS/54/14)

  • Catalogue No.:PA IPIPRS 54 14

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

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PA EPP0300000

Paracetamol (P0300000)

  • Catalogue No.:PA EPP0300000

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

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PA EPY0001781

Paracetamol for equipment qualification (Y0001781)

  • Catalogue No.:PA EPY0001781

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

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PA BP371RB

paracetamol (371RB)

  • Catalogue No.:PA BP371RB

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

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PAI 16 010260

2-((4-Methoxyphenyl)amino)-4-nitrophenyl acetate

2-((4-Methoxyphenyl)amino)-4-nitrophenyl acetate

  • Catalogue No.:PAI 16 010260

  • CAS :

    NA

  • Molecular Formula : C15H14N2O5

  • Molecular Weight : 302.29

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PAI 16 010270

4-Amino-2-((4-methoxyphenyl)amino)phenyl Acetate

4-Amino-2-((4-methoxyphenyl)amino)phenyl Acetate

  • Catalogue No.:PAI 16 010270

  • CAS :

    NA

  • Molecular Formula : C15H16N2O3

  • Molecular Weight : 272.30

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PAI 16 010280

4-Amino-2-((4-hydroxyphenyl)amino)phenyl Acetate

4-Amino-2-((4-hydroxyphenyl)amino)phenyl Acetate

  • Catalogue No.:PAI 16 010280

  • CAS :

    NA

  • Molecular Formula : C14H14N2O3

  • Molecular Weight : 258.28

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PAI 16 010290

4-Amino-2-((4-hydroxyphenyl)amino)phenol

4-Amino-2-((4-hydroxyphenyl)amino)phenol

  • Catalogue No.:PAI 16 010290

  • CAS :

    NA

  • Molecular Formula : C12H12N2O2

  • Molecular Weight : 216.24

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PAI 16 010300

4-(Benzyloxy)-N-(4-nitrophenyl)aniline

4-(Benzyloxy)-N-(4-nitrophenyl)aniline

  • Catalogue No.:PAI 16 010300

  • CAS :

    NA

  • Molecular Formula : C19H16N2O3

  • Molecular Weight : 320.35

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