tyrosine and its Impurities

Tyrosine is a non-essential amino acid. In animals it is synthesized from phenylalanine. Tyrosine is used to improve alertness, attention and focus. Reference standards of Tyrosine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 41 results for tyrosine Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 20 63000

Tyrosine

Tyrosine

  • Catalogue No.:PA 20 63000

  • CAS :

    60-18-4

  • Molecular Formula : C9H11NO3

  • Molecular Weight : 181.19

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63510

Phloretic Acid

Phloretic Acid

  • Catalogue No.:PA 20 63510

  • CAS :

    501-97-3

  • Molecular Formula : C9H10O3

  • Molecular Weight : 166.17

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63520

N-Acetyl-L-tyrosine

N-Acetyl-L-tyrosine

  • Catalogue No.:PA 20 63520

  • CAS :

    537-55-3

  • Molecular Formula : C11H13NO4

  • Molecular Weight : 223.23

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63530

(R)-2-Hydroxy-3-(4-hydroxyphenyl)propanoic Acid

(R)-2-Hydroxy-3-(4-hydroxyphenyl)propanoic Acid

  • Catalogue No.:PA 20 63530

  • CAS :

    89919-57-3

  • Molecular Formula : C9H10O4

  • Molecular Weight : 182.17

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63540

3-Iodo-L-tyrosine

3-Iodo-L-tyrosine

  • Catalogue No.:PA 20 63540

  • CAS :

    70-78-0

  • Molecular Formula : C9H10INO3

  • Molecular Weight : 307.09

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63550

4-Hydroxyphenylpyruvic Acid

4-Hydroxyphenylpyruvic Acid

  • Catalogue No.:PA 20 63550

  • CAS :

    156-39-8

  • Molecular Formula : C9H8O4

  • Molecular Weight : 180.16

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Drug Reference Standards & Impurity Synthesis in India
PA STI 050420

4-Hydroxy-3-nitrophenylacetic Acid-d5

4-Hydroxy-3-nitrophenylacetic Acid-d5

  • Catalogue No.:PA STI 050420

  • CAS :

    929709-59-1

  • Molecular Formula : C8H2D5NO5

  • Molecular Weight : 202.18

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Drug Reference Standards & Impurity Synthesis in India
PA STI 069470

NSC-33994-d4

NSC-33994-d4

  • Catalogue No.:PA STI 069470

  • CAS :

    1795134-33-6

  • Molecular Formula : C28H38D4N2O2

  • Molecular Weight : 442.67

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Drug Reference Standards & Impurity Synthesis in India
PA STI 068780

3-Nitro-L-tyrosine-d3

3-Nitro-L-tyrosine-d3

  • Catalogue No.:PA STI 068780

  • CAS :

    213386-10-8

  • Molecular Formula : C9H7D3N2O5

  • Molecular Weight : 229.2

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Drug Reference Standards & Impurity Synthesis in India
PA JP0242

Tyrosine (JP 0242)

Tyrosine (JP 0242)

  • Catalogue No.:PA JP0242

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPT2900000

Tyrosine (T2900000)

Tyrosine (T2900000)

  • Catalogue No.:PA EPT2900000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1010106

N-Acetyl-L-Tyrosine (1010106)

N-Acetyl-L-Tyrosine (1010106)

  • Catalogue No.:PA USP1010106

  • CAS :

    537-55-3

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1295877

Glycyl-L-Tyrosine (1295877)

Glycyl-L-Tyrosine (1295877)

  • Catalogue No.:PA USP1295877

  • CAS :

    39630-46-1

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1705006

L-Tyrosine (1705006)

L-Tyrosine (1705006)

  • Catalogue No.:PA USP1705006

  • CAS :

    60-18-4

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63590

N-Acetyl-L-tyrosine Amide

N-Acetyl-L-tyrosine Amide

  • Catalogue No.:PA 20 63590

  • CAS :

    1948-71-6

  • Molecular Formula : C11H14N2O3

  • Molecular Weight : 222.24

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63570

L-Tyrosine Methyl Ester Hydrochloride

L-Tyrosine Methyl Ester Hydrochloride

  • Catalogue No.:PA 20 63570

  • CAS :

    3417-91-2

  • Molecular Formula : C10H14ClNO3

  • Molecular Weight : 231.68

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63580

N-Acetyl-L-tyrosine Ethyl Ester Monohydrate

N-Acetyl-L-tyrosine Ethyl Ester Monohydrate

  • Catalogue No.:PA 20 63580

  • CAS :

    36546-50-6

  • Molecular Formula : C13H19NO5

  • Molecular Weight : 269.3

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63600

D-Tyrosine

D-Tyrosine

  • Catalogue No.:PA 20 63600

  • CAS :

    556-02-5

  • Molecular Formula : C9H11NO3

  • Molecular Weight : 181.19

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63610

Levodopa - Impurity B (Disodium Salt)

Tyrosine Disodium Salt

  • Catalogue No.:PA 20 63610

  • CAS :

    69847-45-6

  • Molecular Formula : C18H20N2Na2O6

  • Molecular Weight : 406.34

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63620

L-m-Tyrosine

L-m-Tyrosine

  • Catalogue No.:PA 20 63620

  • CAS :

    587-33-7

  • Molecular Formula : C9H11NO3

  • Molecular Weight : 181.19

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63630

D-Tyrosine tert-Butyl Ester

D-Tyrosine tert-Butyl Ester

  • Catalogue No.:PA 20 63630

  • CAS :

    87553-74-0

  • Molecular Formula : C13H19NO3

  • Molecular Weight : 237.29

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63640

L-Tyrosine 7-amido-4-methylcoumarin

L-Tyrosine 7-amido-4-methylcoumarin

  • Catalogue No.:PA 20 63640

  • CAS :

    94099-57-7

  • Molecular Formula : C19H18N2O4

  • Molecular Weight : 338.36

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63650

Levodopa - Impurity B (Hydrochloride Salt)

Tyrosine Hydrochloride Salt

  • Catalogue No.:PA 20 63650

  • CAS :

    16870-43-2

  • Molecular Formula : C9H12ClNO3

  • Molecular Weight : 217.64

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Drug Reference Standards & Impurity Synthesis in India
PA 20 63660

Methyl L-Tyrosinate

Methyl L-Tyrosinate

  • Catalogue No.:PA 20 63660

  • CAS :

    1080-06-4

  • Molecular Formula : C10H13NO3

  • Molecular Weight : 195.22

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631000

R 428

R 428

  • Catalogue No.:PA 20 0631000

  • CAS :

    1037624-75-1

  • Molecular Formula : C30H34N8

  • Molecular Weight : 506.66

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631001

4-Hydroxy-3-nitrophenylacetic acid

4-Hydroxy-3-nitrophenylacetic acid

  • Catalogue No.:PA 20 0631001

  • CAS :

    10463-20-4

  • Molecular Formula : C8H7NO5

  • Molecular Weight : 197.15

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631003

D,L-m-Tyrosine Methyl Ester Hydrochloride

D,L-m-Tyrosine Methyl Ester Hydrochloride

  • Catalogue No.:PA 20 0631003

  • CAS :

    34260-70-3

  • Molecular Formula : C10H14ClNO3

  • Molecular Weight : 231.68

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631004

2,3-Dihydro-3-(1H-indol-3-ylmethylene)-2-oxo-1H-indole-5-sulfonamide

2,3-Dihydro-3-(1H-indol-3-ylmethylene)-2-oxo-1H-indole-5-sulfonamide

  • Catalogue No.:PA 20 0631004

  • CAS :

    181223-16-5

  • Molecular Formula : C17H13N3O3S

  • Molecular Weight : 339.37

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631005

2-(4-Amino-2H-pyrazolo[3,4-d]pyrimidin-3-yl)phenol

2-(4-Amino-2H-pyrazolo[3,4-d]pyrimidin-3-yl)phenol

  • Catalogue No.:PA 20 0631005

  • CAS :

    1092787-78-4

  • Molecular Formula : C11H9N5O

  • Molecular Weight : 227.23

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631006

Tyrphostin 25

[3,4,5-Trihydroxybenzylidene]malononitrile

  • Catalogue No.:PA 20 0631006

  • CAS :

    118409-58-8

  • Molecular Formula : C10H6N2O3

  • Molecular Weight : 202.17

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631007

O-(1,1-Dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine

O-(1,1-Dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine

  • Catalogue No.:PA 20 0631007

  • CAS :

    118488-18-9

  • Molecular Formula : C28H29NO5

  • Molecular Weight : 459.54

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631008

PRT 060318

2-[[(1R,2S)-2-Aminocyclohexyl]amino]-4-[(3-methylphenyl)amino]-5-pyrimidinecarboxamide

  • Catalogue No.:PA 20 0631008

  • CAS :

    1194961-19-7

  • Molecular Formula : C18H24N6O

  • Molecular Weight : 340.43

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631002

Boc-DL-Tyrosine

Boc-DL-Tyrosine

  • Catalogue No.:PA 20 0631002

  • CAS :

    142847-18-5

  • Molecular Formula : C14H19NO5

  • Molecular Weight : 281.31

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631010

Bromotiren

Bromotiren

  • Catalogue No.:PA 20 0631010

  • CAS :

    300-38-9

  • Molecular Formula : C9H9Br2NO3

  • Molecular Weight : 338.98

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631009

4-Amino-N,N-diethylbenzamide

4-Amino-N,N-diethylbenzamide

  • Catalogue No.:PA 20 0631009

  • CAS :

    51207-85-3

  • Molecular Formula : C11H16N2O

  • Molecular Weight : 192.26

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631011

Z-Gly-Gly-OH

Z-Gly-Gly-OH

  • Catalogue No.:PA 20 0631011

  • CAS :

    2566-19-0

  • Molecular Formula : C12H14N2O5

  • Molecular Weight : 266.25

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631012

Z-Gly-Pro-OH

Z-Gly-Pro-OH

  • Catalogue No.:PA 20 0631012

  • CAS :

    1160-54-9

  • Molecular Formula : C15H18N2O5

  • Molecular Weight : 306.32

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631013

3-Iodo-D-tyrosine

3-Iodo-D-tyrosine

  • Catalogue No.:PA 20 0631013

  • CAS :

    25799-58-0

  • Molecular Formula : C9H10INO3

  • Molecular Weight : 307.09

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631014

3-Azido-L-tyrosine

3-Azido-L-tyrosine

  • Catalogue No.:PA 20 0631014

  • CAS :

    129960-90-3

  • Molecular Formula : C9H10N4O3

  • Molecular Weight : 222.20

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631015

H-L-Tyr(2-azidoethyl)-OH hydrochloride

H-L-Tyr(2-azidoethyl)-OH hydrochloride

  • Catalogue No.:PA 20 0631015

  • CAS :

    1567845-62-8

  • Molecular Formula : C11H15ClN4O3

  • Molecular Weight : 286.72

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0631016

H-L-Tyr(2-azidoethyl)-OH

H-L-Tyr(2-azidoethyl)-OH

  • Catalogue No.:PA 20 0631016

  • CAS :

    1570523-47-5

  • Molecular Formula : C11H14N4O3

  • Molecular Weight : 250.26

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