Metoprolol-impurities | Pharmaffiliates

metoprolol and its Impurities

A beta-blocker medicine used for the treatment of angina, high blood pressure and heart failure. Metoprolol is also used for the treatment of migraine headache. It works by lowering the heart rate, blood pressure, and strain on the heart. Reference standards of Metoprolol API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 57 results for metoprolol Impurities
PA 13 36510

rac 1-Chloro-3-[4-(2-methoxyethyl)phenoxy]-2-propanol

rac 1-Chloro-3-[4-(2-methoxyethyl)phenoxy]-2-propanol


  • Catalogue No.:PA 13 36510

  • CAS :

    56718-76-4

  • Molecular Formula : C12H17ClO3

  • Molecular Weight : 244.71

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PA 13 37510

3-Chloropropane-1,2-diol

3-Chloropropane-1,2-diol


  • Catalogue No.:PA 13 37510

  • CAS :

    96-24-2

  • Molecular Formula : C3H7ClO2

  • Molecular Weight : 110.54

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PA 13 37520

1-[4-(2-Methoxyethyl)phenoxy]-2,3-epoxypropane

1-[4-(2-Methoxyethyl)phenoxy]-2,3-epoxypropane


  • Catalogue No.:PA 13 37520

  • CAS :

    56718-70-8

  • Molecular Formula : C12H16O3

  • Molecular Weight : 208.25

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PA 40 32000

Metoprolol - API Standards

Metoprolol


  • Catalogue No.:PA 40 32000

  • CAS :

    51384-51-1

  • Molecular Formula : C15H25NO3

  • Molecular Weight : 267.36

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PA 40 0321003

 2-(Phenoxymethyl)oxirane

2-(Phenoxymethyl)oxirane


  • Catalogue No.:PA 40 0321003

  • CAS :

    122-60-1

  • Molecular Formula : C9H10O2

  • Molecular Weight : 150.18

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PA 40 0321004

N-Nitroso Metoprolol

N-Nitroso Metoprolol


  • Catalogue No.:PA 40 0321004

  • CAS :

    138768-62-4

  • Molecular Formula : C15H24N2O4

  • Molecular Weight : 296.37

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PA 40 32510

4-tert-Butoxychlorobenzene

4-tert-Butoxychlorobenzene


  • Catalogue No.:PA 40 32510

  • CAS :

    18995-35-2

  • Molecular Formula : C10H13ClO

  • Molecular Weight : 184.66

PA 40 32520

2-(4-(tert-Butoxy)phenyl)ethanol

2-(4-(tert-Butoxy)phenyl)ethanol


  • Catalogue No.:PA 40 32520

  • CAS :

    123195-72-2

  • Molecular Formula : C12H18O2

  • Molecular Weight : 194.27

PA 40 32530

1-tert-Butoxy-4-(2-methoxy-ethyl)-benzene

1-tert-Butoxy-4-(2-methoxy-ethyl)-benzene


  • Catalogue No.:PA 40 32530

  • CAS :

    84697-14-3

  • Molecular Formula : C13H20O2

  • Molecular Weight : 208.3

PA 13 36520

3-(2-Methoxyethyl)phenol

3-(2-Methoxyethyl)phenol


  • Catalogue No.:PA 13 36520

  • CAS :

    32846-01-8

  • Molecular Formula : C9H12O2

  • Molecular Weight : 152.19

PA 13 36530

2-(2-Methoxyethyl)phenol

2-(2-Methoxyethyl)phenol


  • Catalogue No.:PA 13 36530

  • CAS :

    330976-39-1

  • Molecular Formula : C9H12O2

  • Molecular Weight : 152.19

PA 13 36540

p-Methoxyphenethyl Methyl Ether

p-Methoxyphenethyl Methyl Ether


  • Catalogue No.:PA 13 36540

  • CAS :

    80314-58-5

  • Molecular Formula : C10H14O2

  • Molecular Weight : 166.22

PA 13 37530

Metoprolol Bis Propanol

Metoprolol Bis Propanol


  • Catalogue No.:PA 13 37530

  • CAS :

    230975-30-1

  • Molecular Formula : C21H28O5

  • Molecular Weight : 360.44

PA STI 064980

(R)-Metoprolol-d7

(R)-Metoprolol-d7


  • Catalogue No.:PA STI 064980

  • CAS :

    1292907-84-6

  • Molecular Formula : C15H18D7NO3

  • Molecular Weight : 274.41

PA STI 064981

Metoprolol-d7 Hydrochloride

Metoprolol-d7 Hydrochloride


  • Catalogue No.:PA STI 064981

  • CAS :

    1219798-61-4

  • Molecular Formula : C15H19D7ClNO3

  • Molecular Weight : 310.87

PA STI 064990

(S)-Metoprolol-d7

(S)-Metoprolol-d7


  • Catalogue No.:PA STI 064990

  • CAS :

    1292906-91-2

  • Molecular Formula : C15H18D7NO3

  • Molecular Weight : 274.41

PA STI 065000

Metoprolol Acid-d5

Metoprolol Acid-d5


  • Catalogue No.:PA STI 065000

  • CAS :

    1215404-47-9

  • Molecular Formula : C14H16D5NO4

  • Molecular Weight : 272.35

PA STI 065010

rac Metoprolol-d7

rac Metoprolol-d7


  • Catalogue No.:PA STI 065010

  • CAS :

    959787-96-3

  • Molecular Formula : C15H18D7NO3

  • Molecular Weight : 274.41

PA STI 065020

rac Metoprolol-d6 Hemi (+)-Tartrate

rac Metoprolol-d6 Hemi (+)-Tartrate


  • Catalogue No.:PA STI 065020

  • CAS :

    NA

  • Molecular Formula : C34H44D12N2O12

  • Molecular Weight : 696.89

PA STI 065030

Metoprolol Acid-d5 Ethyl Ester

Metoprolol Acid-d5 Ethyl Ester


  • Catalogue No.:PA STI 065030

  • CAS :

    1189704-28-6

  • Molecular Formula : C16H20D5NO4

  • Molecular Weight : 300.40

PA STI 027810

N-Desisopropyl Metoprolol-d5

N-Desisopropyl Metoprolol-d5


  • Catalogue No.:PA STI 027810

  • CAS :

    1794979-77-3

  • Molecular Formula : C12H14D5NO3

  • Molecular Weight : 230.31

PA STI 028430

O-Desmethyl Metoprolol-d5

O-Desmethyl Metoprolol-d5


  • Catalogue No.:PA STI 028430

  • CAS :

    1189981-81-4

  • Molecular Formula : C14H18D5NO3

  • Molecular Weight : 258.37

PA STI 050280

α-Hydroxy Metoprolol-d5 (Mixture of Diastereomers)

α-Hydroxy Metoprolol-d5 (Mixture of Diastereomers)


  • Catalogue No.:PA STI 050280

  • CAS :

    1189934-03-9

  • Molecular Formula : C15H20D5NO4

  • Molecular Weight : 288.39

PA STI 058720

3-[4-(2-Methoxyethyl)phenoxy]-1,2-propanediol-d5

3-[4-(2-Methoxyethyl)phenoxy]-1,2-propanediol-d5


  • Catalogue No.:PA STI 058720

  • CAS :

    1246815-20-2

  • Molecular Formula : C12H13D5O4

  • Molecular Weight : 231.30

PA STI 058780

4-(2-Methoxyethyl)aniline-d3

4-(2-Methoxyethyl)aniline-d3


  • Catalogue No.:PA STI 058780

  • CAS :

    1794828-69-5

  • Molecular Formula : C9H10D3NO

  • Molecular Weight : 154.22

PA IPIPRS 102 15

Metoprolol Succinate (IPRS/102/15)-from IPC


  • Catalogue No.:PA IPIPRS 102 15

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA IPIPRS 48 14

Metoprolol Tartrate (IPRS/48/14)-from IPC


  • Catalogue No.:PA IPIPRS 48 14

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPM1830000

Metoprolol tartrate (M1830000)

Metoprolol tartrate (M1830000)


  • Catalogue No.:PA EPM1830000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000145

Metoprolol impurity A (Y0000145)

Metoprolol impurity A (Y0000145)


  • Catalogue No.:PA EPY0000145

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000171

Metoprolol succinate - reference spectrum (Y0000171)

Metoprolol succinate - reference spectrum (Y0000171)


  • Catalogue No.:PA EPY0000171

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1441232

Metoprolol Related Compound A ((+/-)1-(ethylamino)-3-[4-(2-methoxyethyl)phenoxy]-propan-2-ol) (1441232)

Metoprolol Related Compound A ((+/-)1-(ethylamino)-3-[4-(2-methoxyethyl)phenoxy]-propan-2-ol) (1441232)


  • Catalogue No.:PA USP1441232

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1441243

Metoprolol Related Compound B ((+/-)1-Chloro-2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]-propane) (1441243)

Metoprolol Related Compound B ((+/-)1-Chloro-2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]-propane) (1441243)


  • Catalogue No.:PA USP1441243

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1441254

Metoprolol Related Compound C ((+/-)4-[2-Hydroxy-3-(1-methylethyl)aminopropoxy]benzaldehyde hydroch (1441254)

Metoprolol Related Compound C ((+/-)4-[2-Hydroxy-3-(1-methylethyl)aminopropoxy]benzaldehyde hydroch (1441254)


  • Catalogue No.:PA USP1441254

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1441265

Metoprolol Related Compound D ((+/-)N,N-bis-[2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]propyl](1-methy (1441265)

Metoprolol Related Compound D ((+/-)N,N-bis-[2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]propyl](1-methy (1441265)


  • Catalogue No.:PA USP1441265

  • CAS :

    1486464-40-7

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1441287

Metoprolol Fumarate (1441287)

Metoprolol Fumarate (1441287)


  • Catalogue No.:PA USP1441287

  • CAS :

    119637-66-0

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1441298

Metoprolol Succinate (1441298)

Metoprolol Succinate (1441298)


  • Catalogue No.:PA USP1441298

  • CAS :

    98418-47-4

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1441301

Metoprolol Tartrate (1441301)

Metoprolol Tartrate (1441301)


  • Catalogue No.:PA USP1441301

  • CAS :

    56392-17-7

  • Molecular Formula : NA

  • Molecular Weight : NA

PA BP540RB

metoprolol tartrate (540RB)

metoprolol tartrate (540RB)


  • Catalogue No.:PA BP540RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 40 32540

1-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)-2-methoxyethan-1-one

1-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)-2-methoxyethan-1-one


  • Catalogue No.:PA 40 32540

  • CAS :

    73723-85-0

  • Molecular Formula : C15H23NO4

  • Molecular Weight : 281.35

PA 40 32550

(S)-Metoprolol

(S)-Metoprolol


  • Catalogue No.:PA 40 32550

  • CAS :

    81024-42-2

  • Molecular Formula : C15H25NO3

  • Molecular Weight : 267.37

PA 40 32560

4-(2-Oxiranylmethoxy)benzeneacetic Acid Ethyl Ester

4-(2-Oxiranylmethoxy)benzeneacetic Acid Ethyl Ester


  • Catalogue No.:PA 40 32560

  • CAS :

    76805-25-9

  • Molecular Formula : C13H16O4

  • Molecular Weight : 236.26

PA 40 0321000

(S)-3-[4-(2-Methoxyethyl)phenoxy]-1,2-epoxypropane

(S)-3-[4-(2-Methoxyethyl)phenoxy]-1,2-epoxypropane


  • Catalogue No.:PA 40 0321000

  • CAS :

    105780-38-9

  • Molecular Formula : C12H16O3

  • Molecular Weight : 208.26

PA 40 0321002

N-Desisopropyl Metoprolol

N-Desisopropyl Metoprolol


  • Catalogue No.:PA 40 0321002

  • CAS :

    74027-60-4

  • Molecular Formula : C12H19NO3

  • Molecular Weight : 225.29

PA 40 0321001

Metoprolol hydrochloride

Metoprolol hydrochloride


  • Catalogue No.:PA 40 0321001

  • CAS :

    56392-18-8

  • Molecular Formula : C15H26ClNO3

  • Molecular Weight : 303.83

PA 13 0371000

1-[2-(2-Methoxyethyl)phenyoxy]-2,3- epoxypropane

1-[2-(2-Methoxyethyl)phenyoxy]-2,3- epoxypropane


  • Catalogue No.:PA 13 0371000

  • CAS :

    89507-60-8

  • Molecular Formula : C12H16O3

  • Molecular Weight : 208.26

PA 13 0371001

1,3-Bis[4-(2-methoxyethyl)phenoxy]-2-propanol

1,3-Bis[4-(2-methoxyethyl)phenoxy]-2-propanol


  • Catalogue No.:PA 13 0371001

  • CAS :

    2724689-32-9

  • Molecular Formula : C21H28O5

  • Molecular Weight : 360.45

PA 40 0321005

3-(2-Hydroxyethyl)phenol

3-(2-Hydroxyethyl)phenol


  • Catalogue No.:PA 40 0321005

  • CAS :

    13398-94-2

  • Molecular Formula : C8H10O2

  • Molecular Weight : 138.17

PA STI 089128

Metoprolol D5

Metoprolol D5


  • Catalogue No.:PA STI 089128

  • CAS :

    959786-79-9

  • Molecular Formula : C15H20D5NO3

  • Molecular Weight : 272.4

PA IPRS 55 20

Metoprolol Tartrate (IPRS/55/20) -from IPC

Metoprolol Tartrate (IPRS/55/20) -from IPC


  • Catalogue No.:PA IPRS 55 20

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA IPRSM013

Metoprolol Succinate (IPRSM013)

Metoprolol Succinate (IPRSM013)


  • Catalogue No.:PA IPRSM013

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 40 0321006

N-Ethyl-N-(2-hydroxy-3-(4-(2-methoxyethyl)phenoxy)propyl)nitrous Amide

N-Ethyl-N-(2-hydroxy-3-(4-(2-methoxyethyl)phenoxy)propyl)nitrous Amide


  • Catalogue No.:PA 40 0321006

  • CAS :

    NA

  • Molecular Formula : C14H22N2O4

  • Molecular Weight : 282.34

PA 40 0321007

N-(3-(4-Formylphenoxy)-2-hydroxypropyl)-N-isopropylnitrous Amide

N-(3-(4-Formylphenoxy)-2-hydroxypropyl)-N-isopropylnitrous Amide


  • Catalogue No.:PA 40 0321007

  • CAS :

    NA

  • Molecular Formula : C13H18N2O4

  • Molecular Weight : 266.3

PA IMPE020

Metoprolol Impurity A (IMPE020)

Metoprolol Impurity A (IMPE020)


  • Catalogue No.:PA IMPE020

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 40 0321008

(1-Methyl-2-phenyl-ethyl)-carbamic acid isobutyl ester

(1-Methyl-2-phenyl-ethyl)-carbamic acid isobutyl ester


  • Catalogue No.:PA 40 0321008

  • CAS :

    27822-62-4

  • Molecular Formula : C14H21NO2

  • Molecular Weight : 235.33

PA STI 089585

N-(2-Hydroxy-3-(4-(2-methoxyethyl)phenoxy)propyl)-N-(propan-2-yl-d7)nitrous amide

N-(2-Hydroxy-3-(4-(2-methoxyethyl)phenoxy)propyl)-N-(propan-2-yl-d7)nitrous amide


  • Catalogue No.:PA STI 089585

  • CAS :

    NA

  • Molecular Formula : C15H17D7N2O4

  • Molecular Weight : 303.41

PA 40 0321010

Methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3-oxopropanoate

Methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3-oxopropanoate


  • Catalogue No.:PA 40 0321010

  • CAS :

    NA

  • Molecular Formula : C16H23NO5

  • Molecular Weight : 309.36

PA 40 0321011

1-(4-(2-Methoxyethyl)phenoxy)-3-(oxiran-2-ylmethoxy)propan-2-ol

1-(4-(2-Methoxyethyl)phenoxy)-3-(oxiran-2-ylmethoxy)propan-2-ol


  • Catalogue No.:PA 40 0321011

  • CAS :

    1416440-64-6

  • Molecular Formula : C15H22O5

  • Molecular Weight : 282.34