Tyrosine-impurities | Pharmaffiliates

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 38 results for tyrosine Impurities
PA 20 63000

Tyrosine - API Standards

Tyrosine


  • Catalogue No.:PA 20 63000

  • CAS :

    60-18-4

  • Molecular Formula : C9H11NO3

  • Molecular Weight : 181.19

PA 20 63510

Phloretic Acid

Phloretic Acid


  • Catalogue No.:PA 20 63510

  • CAS :

    501-97-3

  • Molecular Formula : C9H10O3

  • Molecular Weight : 166.17

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

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

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

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

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

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

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

PA JP0242

Tyrosine (JP 0242)

Tyrosine (JP 0242)


  • Catalogue No.:PA JP0242

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPT2900000

Tyrosine (T2900000)

Tyrosine (T2900000)


  • Catalogue No.:PA EPT2900000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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

PA USP1295877

Glycyl-L-Tyrosine (1295877)

Glycyl-L-Tyrosine (1295877)


  • Catalogue No.:PA USP1295877

  • CAS :

    39630-46-1

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1705006

L-Tyrosine (1705006)


  • Catalogue No.:PA USP1705006

  • CAS :

    60-18-4

  • Molecular Formula :

  • Molecular Weight : NA

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

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

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

PA 20 63600

D-Tyrosine

D-Tyrosine


  • Catalogue No.:PA 20 63600

  • CAS :

    556-02-5

  • Molecular Formula : C9H11NO3

  • Molecular Weight : 181.19

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

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

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

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

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

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

PA 20 0631000

R 428

R 428


  • Catalogue No.:PA 20 0631000

  • CAS :

    1037624-75-1

  • Molecular Formula : C30H34N8

  • Molecular Weight : 506.66

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

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

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

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

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

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

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

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

PA 20 0631010

Bromotiren

Bromotiren


  • Catalogue No.:PA 20 0631010

  • CAS :

    300-38-9

  • Molecular Formula : C9H9Br2NO3

  • Molecular Weight : 338.98

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

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

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

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