methyldopa and its Impurities

An alpha-2 adrenergic receptor agonist, Methyldopa is used for the treatment of high blood pressure in pregnancy. It is metabolized in the liver and intestines and is excreted in urine. Reference standards of Methyldopa API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 34 results for methyldopa Impurities
PA 13 70000

Methyldopa

Methyldopa

  • Catalogue No.:PA 13 70000

  • CAS :

    555-30-6

  • Molecular Formula : C10H13NO4

  • Molecular Weight : 211.22

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PA 13 70010

Methyldopa - Impurity A

3-Methoxymethyldopa

  • Catalogue No.:PA 13 70010

  • CAS :

    6739-31-7

  • Molecular Formula : C11H15NO4

  • Molecular Weight : 225.24

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PA 13 70020

Methyldopa - Impurity B (Freebase)

(2S)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic Acid

  • Catalogue No.:PA 13 70020

  • CAS :

    65555-88-6

  • Molecular Formula : C11H15NO3

  • Molecular Weight : 209.24

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PA 13 70030

Methyldopa - Impurity C (Freebase)

(2S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic Acid

  • Catalogue No.:PA 13 70030

  • CAS :

    39948-18-0

  • Molecular Formula : C12H17NO4

  • Molecular Weight : 239.27

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PA 13 70031

Methyldopa - Impurity C (Hydrochloride Salt)

3,4-Dimethoxymethyldopa Hydrochloride

  • Catalogue No.:PA 13 70031

  • CAS :

    5486-79-3

  • Molecular Formula : C12H18ClNO4

  • Molecular Weight : 275.73

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PA 13 70040

Methyldopa - Impurity D

D-Methyldopa

  • Catalogue No.:PA 13 70040

  • CAS :

    2799-15-7

  • Molecular Formula : C10H13NO4

  • Molecular Weight : 211.21

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PA 13 70510

α-Methyldopa Methyl Ester

α-Methyldopa Methyl Ester

  • Catalogue No.:PA 13 70510

  • CAS :

    18181-08-3

  • Molecular Formula : C11H15NO4

  • Molecular Weight : 225.2

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PA ICRS0346

Methyldopa (ICRS0346)

  • Catalogue No.:PA ICRS0346

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

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PA IPIPRS 20 13

Methyldopa (IPRS/20/13)-from IPC

  • Catalogue No.:PA IPIPRS 20 13

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

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PA JP0151

Methyldopa (JP 0151)

Methyldopa (JP 0151)

  • Catalogue No.:PA JP0151

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1426002

Methyldopa (1426002)

Methyldopa (1426002)

  • Catalogue No.:PA USP1426002

  • CAS :

    41372-08-1

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1427005

Methyldopate Hydrochloride (1427005)

Methyldopate Hydrochloride (1427005)

  • Catalogue No.:PA USP1427005

  • CAS :

    2508-79-4

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1427027

Methyldopa Related Compound B ((S)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic acid hydrochloride (1427027)

Methyldopa Related Compound B ((S)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic acid hydrochloride (1427027)

  • Catalogue No.:PA USP1427027

  • CAS :

    35026-10-9

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1427038

Methyldopa Related Compound C ((S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid hydrochlo (1427038)

Methyldopa Related Compound C ((S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid hydrochlo (1427038)

  • Catalogue No.:PA USP1427038

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1430509

3-O-Methylmethyldopa (1430509)

3-O-Methylmethyldopa (1430509)

  • Catalogue No.:PA USP1430509

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA BP240RB

methyldopa (240RB)

methyldopa (240RB)

  • Catalogue No.:PA BP240RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA BP241RB

methyldopate hydrochloride (241RB)

methyldopate hydrochloride (241RB)

  • Catalogue No.:PA BP241RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PAI 13 070001

Methyl 2-amino-3-(3,4-dihydroxyphenyl)propanoate

Methyl 2-amino-3-(3,4-dihydroxyphenyl)propanoate

  • Catalogue No.:PAI 13 070001

  • CAS :

    40611-00-5

  • Molecular Formula : C10H13NO4

  • Molecular Weight : 211.22

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PAI 13 070002

Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)propanoate

Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)propanoate

  • Catalogue No.:PAI 13 070002

  • CAS :

    NA

  • Molecular Formula : C15H21NO6

  • Molecular Weight : 311.33

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PAI 13 070003

Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoate

Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoate

  • Catalogue No.:PAI 13 070003

  • CAS :

    NA

  • Molecular Formula : C16H23NO6

  • Molecular Weight : 325.36

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PAI 13 070004

2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoic Acid

2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoic Acid

  • Catalogue No.:PAI 13 070004

  • CAS :

    NA

  • Molecular Formula : C15H21NO6

  • Molecular Weight : 311.33

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PAI 13 070005

Methyl 2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

Methyl 2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

  • Catalogue No.:PAI 13 070005

  • CAS :

    NA

  • Molecular Formula : C11H15NO4

  • Molecular Weight : 225.24

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PAI 13 070006

Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

  • Catalogue No.:PAI 13 070006

  • CAS :

    NA

  • Molecular Formula : C16H23NO6

  • Molecular Weight : 325.36

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PAI 13 070007

Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate

Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate

  • Catalogue No.:PAI 13 070007

  • CAS :

    NA

  • Molecular Formula : C17H25NO6

  • Molecular Weight : 339.39

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PAI 13 070008

2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic Acid

2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic Acid

  • Catalogue No.:PAI 13 070008

  • CAS :

    NA

  • Molecular Formula : C16H23NO6

  • Molecular Weight : 325.36

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PA 13 0701000

(S)-2-Amino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid

(S)-2-Amino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid

  • Catalogue No.:PA 13 0701000

  • CAS :

    1269789-01-6

  • Molecular Formula : C11H15NO4

  • Molecular Weight : 225.24

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PA 13 2480021

Methyldopa - Impurity B (Hydrochloride Salt)

(2S)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic Acid Hydrochloride

  • Catalogue No.:PA 13 2480021

  • CAS :

    35026-10-9

  • Molecular Formula : C11H16ClNO3

  • Molecular Weight : 245.7

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PAI 13 070009

Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3,4-dimethoxyphenyl)-2-methylpropanoate

Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3,4-dimethoxyphenyl)-2-methylpropanoate

  • Catalogue No.:PAI 13 070009

  • CAS :

    132970-17-3

  • Molecular Formula : C18H27NO6

  • Molecular Weight : 353.42

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PAI 13 070010

Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoate

Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoate

  • Catalogue No.:PAI 13 070010

  • CAS :

    NA

  • Molecular Formula : C17H25NO6

  • Molecular Weight : 339.39

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PAI 13 070011

Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate

Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate

  • Catalogue No.:PAI 13 070011

  • CAS :

    NA

  • Molecular Formula : C17H25NO6

  • Molecular Weight : 339.39

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PAI 13 070012

Methyl (S)-2-amino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate

Methyl (S)-2-amino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate

  • Catalogue No.:PAI 13 070012

  • CAS :

    NA

  • Molecular Formula : C12H17NO4

  • Molecular Weight : 239.27

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PAI 13 070013

(S)-2-((tert-Butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid

(S)-2-((tert-Butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid

  • Catalogue No.:PAI 13 070013

  • CAS :

    NA

  • Molecular Formula : C16H23NO6

  • Molecular Weight : 325.36

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PA 13 0700041

Methyldopa - Impurity D (Hydrobromide Salt)

D-Methyldopa Hydrobromide

  • Catalogue No.:PA 13 0700041

  • CAS :

    NA

  • Molecular Formula : C10H14BrNO4

  • Molecular Weight : 292.13

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PA 13 0701001

1-(3,4-Dimethoxyphenyl)propan-2-one

1-(3,4-Dimethoxyphenyl)propan-2-one

  • Catalogue No.:PA 13 0701001

  • CAS :

    776-99-8

  • Molecular Formula : C11H14O3

  • Molecular Weight : 194.23

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CPHI INDIA- 28, 30 November