Tyrosine-impurities | Pharmaffiliates

tyrosine

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.

stdClass Object
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    [pname] => Phloretic Acid
    [catalogue_number] => PA 20 63510
    [category_ids] => ,80,
    [chemical_name] => 
    [weight] => 166.17
    [form] => C9H10O3
    [cas] => 501-97-3
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PA 20 63510

Phloretic Acid


  • Catalogue No.:PA 20 63510

  • CAS :

    501-97-3

  • Molecular Formula : C9H10O3

  • Molecular Weight : 166.17

stdClass Object
(
    [pname] => (R)-2-Hydroxy-3-(4-hydroxyphenyl)propanoic Acid
    [catalogue_number] => PA 20 63530
    [category_ids] => ,80,97,
    [chemical_name] => 
    [weight] => 182.17
    [form] => C9H10O4
    [cas] => 89919-57-3
    [pslug] => 89919-57-3-r-2-hydroxy-3-4-hydroxyphenyl-propanoic-acid-pa2063530
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PA 20 63530

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


  • Catalogue No.:PA 20 63530

  • CAS :

    89919-57-3

  • Molecular Formula : C9H10O4

  • Molecular Weight : 182.17

stdClass Object
(
    [pname] => 3-Iodo-L-tyrosine
    [catalogue_number] => PA 20 63540
    [category_ids] => ,97,80,69,81,
    [chemical_name] => 
    [weight] => 307.09
    [form] => C9H10INO3
    [cas] => 70-78-0
    [pslug] => 70-78-0-3-iodo-l-tyrosine-pa2063540
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PA 20 63540

3-Iodo-L-tyrosine


  • Catalogue No.:PA 20 63540

  • CAS :

    70-78-0

  • Molecular Formula : C9H10INO3

  • Molecular Weight : 307.09

stdClass Object
(
    [pname] => 4-Hydroxyphenylpyruvic Acid
    [catalogue_number] => PA 20 63550
    [category_ids] => ,80,97,
    [chemical_name] => 
    [weight] => 180.16
    [form] => C9H8O4
    [cas] => 156-39-8
    [pslug] => 156-39-8-4-hydroxyphenylpyruvic-acid-pa2063550
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PA 20 63550

4-Hydroxyphenylpyruvic Acid


  • Catalogue No.:PA 20 63550

  • CAS :

    156-39-8

  • Molecular Formula : C9H8O4

  • Molecular Weight : 180.16

stdClass Object
(
    [pname] => 4-Hydroxy-3-nitrophenylacetic Acid-d5
    [catalogue_number] => PA STI 050420
    [category_ids] => ,80,98,76,75,
    [chemical_name] => 
    [weight] => 202.18
    [form] => C8H2D5NO5
    [cas] => 929709-59-1
    [pslug] => 929709-59-1-4-hydroxy-3-nitrophenylacetic-acid-d5-pasti050420
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PA STI 050420

4-Hydroxy-3-nitrophenylacetic Acid-d5


  • Catalogue No.:PA STI 050420

  • CAS :

    929709-59-1

  • Molecular Formula : C8H2D5NO5

  • Molecular Weight : 202.18

stdClass Object
(
    [pname] => NSC-33994-d4
    [catalogue_number] => PA STI 069470
    [category_ids] => ,79,80,81,98,78,70,82,
    [chemical_name] => 
    [weight] => 442.67
    [form] => C28H38D4N2O2
    [cas] => 1795134-33-6
    [pslug] => 1795134-33-6-nsc-33994-d4-pasti069470
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PA STI 069470

NSC-33994-d4


  • Catalogue No.:PA STI 069470

  • CAS :

    1795134-33-6

  • Molecular Formula : C28H38D4N2O2

  • Molecular Weight : 442.67

stdClass Object
(
    [pname] => 3-Nitro-L-tyrosine-d3
    [catalogue_number] => PA STI 068780
    [category_ids] => ,80,98,
    [chemical_name] => 
    [weight] => 229.2
    [form] => C9H7D3N2O5
    [cas] => 213386-10-8
    [pslug] => 213386-10-8-3-nitro-L-tyrosine-d3-pasti068780
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PA STI 068780

3-Nitro-L-tyrosine-d3


  • Catalogue No.:PA STI 068780

  • CAS :

    213386-10-8

  • Molecular Formula : C9H7D3N2O5

  • Molecular Weight : 229.2

stdClass Object
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    [pname] => 4-Amino-N,N-diethylbenzamide
    [catalogue_number] => PA 20 63560
    [category_ids] => ,79,80,
    [chemical_name] => 
    [weight] => 192.26
    [form] => C11H16N2O
    [cas] => 51207-85-3
    [pslug] => 51207-85-3-4-amino-n-n-diethylbenzamide-pa2063560
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PA 20 63560

4-Amino-N,N-diethylbenzamide


  • Catalogue No.:PA 20 63560

  • CAS :

    51207-85-3

  • Molecular Formula : C11H16N2O

  • Molecular Weight : 192.26

stdClass Object
(
    [pname] => L-m-Tyrosine
    [catalogue_number] => PA 20 63620
    [category_ids] => ,97,80,69,
    [chemical_name] => 
    [weight] => 181.19
    [form] => C9H11NO3
    [cas] => 587-33-7
    [pslug] => 587-33-7-l-m-tyrosine-pa2063620
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PA 20 63620

L-m-Tyrosine


  • Catalogue No.:PA 20 63620

  • CAS :

    587-33-7

  • Molecular Formula : C9H11NO3

  • Molecular Weight : 181.19

stdClass Object
(
    [pname] => D-Tyrosine tert-Butyl Ester
    [catalogue_number] => PA 20 63630
    [category_ids] => ,79,97,80,69,78,70,82,
    [chemical_name] => 
    [weight] => 237.29
    [form] => C13H19NO3
    [cas] => 87553-74-0
    [pslug] => 87553-74-0-d-tyrosine-tert-butyl-ester-pa2063630
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PA 20 63630

D-Tyrosine tert-Butyl Ester


  • Catalogue No.:PA 20 63630

  • CAS :

    87553-74-0

  • Molecular Formula : C13H19NO3

  • Molecular Weight : 237.29

stdClass Object
(
    [pname] => Methyl L-Tyrosinate
    [catalogue_number] => PA 20 63660
    [category_ids] => ,80,97,
    [chemical_name] => 
    [weight] => 195.22
    [form] => C10H13NO3
    [cas] => 1080-06-4
    [pslug] => 1080-06-4-methyl-l-tyrosinate-pa2063660
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PA 20 63660

Methyl L-Tyrosinate


  • Catalogue No.:PA 20 63660

  • CAS :

    1080-06-4

  • Molecular Formula : C10H13NO3

  • Molecular Weight : 195.22

stdClass Object
(
    [pname] => 3-Iodo-D-tyrosine
    [catalogue_number] => PA 20 0631013
    [category_ids] => ,97,80,69,
    [chemical_name] => 
    [weight] => 307.09
    [form] => C9H10INO3
    [cas] => 25799-58-0
    [pslug] => 25799-58-0-3-iodo-d-tyrosine-pa200631013
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PA 20 0631013

3-Iodo-D-tyrosine


  • Catalogue No.:PA 20 0631013

  • CAS :

    25799-58-0

  • Molecular Formula : C9H10INO3

  • Molecular Weight : 307.09