Acetylcysteine-Impurities | Pharmaffiliates

acetylcysteine and its Impurities

A metaolite of methyl isocynate, Acetylcysteine is used in the treatment of paracetamol (acetaminophen) overdose, chronic obstructive pulmonary disease. Reference standards of Acetylcysteine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 37 results for acetylcysteine Impurities
PA 01 17000

Acetylcysteine - API Standards

Acetylcysteine


  • Catalogue No.:PA 01 17000

  • CAS :

    616-91-1

  • Molecular Formula : C5H9NO3S

  • Molecular Weight : 163.19

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PA 01 17010

Acetylcysteine - Impurity A

L-Cystine


  • Catalogue No.:PA 01 17010

  • CAS :

    56-89-3

  • Molecular Formula : C6H12N2O4S2

  • Molecular Weight : 240.30

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PA 01 17020

Acetylcysteine - Impurity B

L-Cysteine


  • Catalogue No.:PA 01 17020

  • CAS :

    52-90-4

  • Molecular Formula : C3H7NO2S

  • Molecular Weight : 121.16

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PA 01 17030

Acetylcysteine - Impurity C

N,N'-Diacetyl-L-cystine


  • Catalogue No.:PA 01 17030

  • CAS :

    5545-17-5

  • Molecular Formula : C10H16N2O6S2

  • Molecular Weight :  324.37

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PA 01 17560

2-Methyl-2-thiazoline-4-carboxylic Acid Sodium Salt

2-Methyl-2-thiazoline-4-carboxylic Acid Sodium Salt


  • Catalogue No.:PA 01 17560

  • CAS :

    15058-19-2

  • Molecular Formula : C5H6NNaO2S

  • Molecular Weight : 167.16

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PA 01 0171000

N-Acetyl-D-cysteine

N-Acetyl-D-cysteine


  • Catalogue No.:PA 01 0171000

  • CAS :

    26117-28-2

  • Molecular Formula : C5H9NO3S

  • Molecular Weight : 163.19

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PA 01 17040

Acetylcysteine - Impurity D

N,S-Diacetyl-L-Cysteine


  • Catalogue No.:PA 01 17040

  • CAS :

    18725-37-6

  • Molecular Formula : C7H11NO4S

  • Molecular Weight :  205.23

PA 01 17510

N-Acetyl-S-propyl-L-cysteine

N-Acetyl-S-propyl-L-cysteine


  • Catalogue No.:PA 01 17510

  • CAS :

    14402-54-1

  • Molecular Formula : C8H15NO3S

  • Molecular Weight : 205.27

PA 01 17520

N-Acetyl-S-(2-acetylaminoethyl)-L-cysteine

N-Acetyl-S-(2-acetylaminoethyl)-L-cysteine


  • Catalogue No.:PA 01 17520

  • CAS :

    25515-72-4

  • Molecular Formula : C9H16N2O4S

  • Molecular Weight :  248.3

PA 01 17530

N-Acetyl-S-(2-carboxyethyl)-L-cysteine Bis(dicyclohexylamine) Salt

N-Acetyl-S-(2-carboxyethyl)-L-cysteine Bis(dicyclohexylamine) Salt


  • Catalogue No.:PA 01 17530

  • CAS :

    201666-27-5

  • Molecular Formula : C32H59N3O5S

  • Molecular Weight : 597.9

PA 01 17540

N-Acetyl-β-alanine N-Hydroxysuccinimide Ester

N-Acetyl-β-alanine N-Hydroxysuccinimide Ester


  • Catalogue No.:PA 01 17540

  • CAS :

    154194-69-1

  • Molecular Formula : C9H12N2O5

  • Molecular Weight :  228.2

PA 01 17550

N-Acetyl-S-allyl-L-cysteine

N-Acetyl-S-allyl-L-cysteine


  • Catalogue No.:PA 01 17550

  • CAS :

    23127-41-5

  • Molecular Formula : C8H13NO3S

  • Molecular Weight : 203.26

Acetylcysteine (1009005)

Acetylcysteine (1009005)


  • Catalogue No.:PA USP1009005

  • CAS :

    616-91-1

  • Molecular Formula : NA

  • Molecular Weight : NA

acetylcysteine (907RB)

acetylcysteine (907RB)


  • Catalogue No.:PA BP907RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Acetylcysteine impurity C (A0152000)

Acetylcysteine impurity C (A0152000)


  • Catalogue No.:PA EPA0152000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Acetylcysteine (A0150000)

Acetylcysteine (A0150000)


  • Catalogue No.:PA EPA0150000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Acetylcysteine impurity D (A0153000)

Acetylcysteine impurity D (A0153000)


  • Catalogue No.:PA EPA0153000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 01 17570

S-Acetylcysteine

S-Acetylcysteine


  • Catalogue No.:PA 01 17570

  • CAS :

    60333-15-5

  • Molecular Formula : C5H9NO3S

  • Molecular Weight : 163.19

PA 01 17580

N-Acetyl-S-(((S)-2-amino-2-carboxyethyl)thio)-D-cysteine

N-Acetyl-S-(((S)-2-amino-2-carboxyethyl)thio)-D-cysteine


  • Catalogue No.:PA 01 17580

  • CAS :

    908574-14-1

  • Molecular Formula : C8H14N2O5S2

  • Molecular Weight : 282.33

PA 01 17590

Acetyl(sulfo)-D-alanine

Acetyl(sulfo)-D-alanine


  • Catalogue No.:PA 01 17590

  • CAS :

    79560-92-2

  • Molecular Formula : C5H9NO6S

  • Molecular Weight : 211.19

PA 01 17600

Acetoxycysteine

Acetoxycysteine


  • Catalogue No.:PA 01 17600

  • CAS :

    NA

  • Molecular Formula : C5H9NO4S

  • Molecular Weight : 179.19

PA 01 17610

Acetyl(sulfino)-D-alanine

Acetyl(sulfino)-D-alanine


  • Catalogue No.:PA 01 17610

  • CAS :

    282727-77-9

  • Molecular Formula : C5H9NO5S

  • Molecular Weight : 195.19

PA 01 17620

N,N’-Diacetyl-L-lanthionine Disodium Salt

N,N’-Diacetyl-L-lanthionine Disodium Salt


  • Catalogue No.:PA 01 17620

  • CAS :

    NA

  • Molecular Formula : C10H14N2Na2O6S

  • Molecular Weight : 336.27

PA STI 088611

N-Acetyl-S-(3-amino-3-oxopropyl-1,1,2,2-d4)-L-cysteine

N-Acetyl-S-(3-amino-3-oxopropyl-1,1,2,2-d4)-L-cysteine


  • Catalogue No.:PA STI 088611

  • CAS :

    NA

  • Molecular Formula : C8H10D4N2O4S

  • Molecular Weight : 238.29

PA STI 088612

N-Acetyl-S-((phenyl-d5)methyl)-L-cysteine

N-Acetyl-S-((phenyl-d5)methyl)-L-cysteine


  • Catalogue No.:PA STI 088612

  • CAS :

    1955496-81-7

  • Molecular Formula : C12H10D5NO3S

  • Molecular Weight : 258.35

PA STI 088614

Acetylalanine-2,3,3,3-d4

Acetylalanine-2,3,3,3-d4


  • Catalogue No.:PA STI 088614

  • CAS :

    NA

  • Molecular Formula : C5H5D4NO3

  • Molecular Weight : 135.16

PA STI 088615

Acetyl-L-alanine-3,3,3-d3

Acetyl-L-alanine-3,3,3-d3


  • Catalogue No.:PA STI 088615

  • CAS :

    1485548-36-4

  • Molecular Formula : C5H6D3NO3

  • Molecular Weight : 134.15

PA STI 088616

Acetylalanine-3,3,3-d3

Acetylalanine-3,3,3-d3


  • Catalogue No.:PA STI 088616

  • CAS :

    NA

  • Molecular Formula : C5H6D3NO3

  • Molecular Weight : 134.15

PA STI 088619

N-Acetyl-S-phenylcysteine-3,3-d2

N-Acetyl-S-phenylcysteine-3,3-d2


  • Catalogue No.:PA STI 088619

  • CAS :

    NA

  • Molecular Formula : C11H11D2NO3S

  • Molecular Weight : 241.3

PA STI 088569

N-Acetyl-S-benzyl-2,3,4,5,6-d5-DL-cysteine

N-Acetyl-S-benzyl-2,3,4,5,6-d5-DL-cysteine


  • Catalogue No.:PA STI 088569

  • CAS :

    NA

  • Molecular Formula : C12H10D5NO3S

  • Molecular Weight : 258.35

PA STI 088570

N-Acetyl-S-(2-carbamoylethyl-d4)-L-cysteine

N-Acetyl-S-(2-carbamoylethyl-d4)-L-cysteine


  • Catalogue No.:PA STI 088570

  • CAS :

    NA

  • Molecular Formula : C8H10D4N2O4S

  • Molecular Weight : 238.29

PA 01 0171001

N-Acetylcysteamine

N-Acetylcysteamine


  • Catalogue No.:PA 01 0171001

  • CAS :

    1190-73-4

  • Molecular Formula : C4H9NOS

  • Molecular Weight : 119.18

PA 01 0171003

(4S)-2-Hydroxy-2-methylthiazolidine-4-carboxylic Acid

(4S)-2-Hydroxy-2-methylthiazolidine-4-carboxylic Acid


  • Catalogue No.:PA 01 0171003

  • CAS :

    NA

  • Molecular Formula : C5H9NO3S

  • Molecular Weight : 163.19

PA 01 0171002

N-Acetyl-N-nitroso-L-cysteine

N-Acetyl-N-nitroso-L-cysteine


  • Catalogue No.:PA 01 0171002

  • CAS :

    NA

  • Molecular Formula : C5H8N2O4S

  • Molecular Weight : 192.19

PA 01 0171004

N-Acetyl-S-propionyl-L-cysteine

N-Acetyl-S-propionyl-L-cysteine


  • Catalogue No.:PA 01 0171004

  • CAS :

    7280-90-2

  • Molecular Formula : C8H13NO4S

  • Molecular Weight : 219.26

PA 01 0171005

N,S-Bis(3-hydroxypropyl)-L-cysteine

N,S-Bis(3-hydroxypropyl)-L-cysteine


  • Catalogue No.:PA 01 0171005

  • CAS :

    NA

  • Molecular Formula : C9H19NO4S

  • Molecular Weight : 237.31

PA 01 0171006

N-Acetyl-S-(3-oxopropyl)-L-cysteine

N-Acetyl-S-(3-oxopropyl)-L-cysteine


  • Catalogue No.:PA 01 0171006

  • CAS :

    140226-30-8

  • Molecular Formula : C8H13NO4S

  • Molecular Weight : 219.26