Budesonide

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Budesonide API Reference standards  and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com

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    Product Name : 2,4,6-Tripropyl-1,3,5-trioxane ;1,3,5-Trioxane, 2,4,6-tripropyl-;Parabutyraldehyde;Budesonide Impurity 34;2,4,6-tripropyl-1,3,5-trioxane |2396-43-2

    Code: JCBDS-23
    CAS: 2396-43-2
    Chemical Formula:C12H24O3
    Molecular Weight:216.32
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  2,4,6-Tripropyl-1,3,5-trioxane ;1,3,5-Trioxane, 2,4,6-tripropyl-;Parabutyraldehyde;Budesonide Impurity 34;2,4,6-tripropyl-1,3,5-trioxane |2396-43-2 is useful as reference Impurity standard.
    2,4,6-Tripropyl-1,3,5-trioxane ;1,3,5-Trioxane, 2,4,6-tripropyl-;Parabutyraldehyde;Budesonide Impurity 34;2,4,6-tripropyl-1,3,5-trioxane |2396-43-2
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    Product Name : Budesonide (22R)-Isomer ;Dexbudesonide ; (11β,16α)-16,17-[(1R)-Butylidenebis(oxy)]-11,21-dihydroxypregna-1,4-diene-3,20-dione | 51372-29-3

     Code  : JCBDS-22
     CAS  : 51372-29-3
     Formula  : C25H34O6
     M.Wt  : 430.53
     Category  : Impurity
     
    Budesonide (22R)-Isomer ;Dexbudesonide ; (11β,16α)-16,17-[(1R)-Butylidenebis(oxy)]-11,21-dihydroxypregna-1,4-diene-3,20-dione  |  51372-29-3
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    Product Name : Budesonide (22S)-Isomer ;(11β,16α)-16,17-[(1S)-Butylidenebis(oxy)]-11,21-dihydroxypregna-1,4-diene-3,20-dione | 51372-28-2

    Code: JCBDS-21
    CAS: 51372-28-2
    Chemical Formula:C25H34O6
    Molecular Weight:430.53
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   is useful as reference Impurity standard.
    Budesonide (22S)-Isomer ;(11β,16α)-16,17-[(1S)-Butylidenebis(oxy)]-11,21-dihydroxypregna-1,4-diene-3,20-dione   |  51372-28-2
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    Product Name : Budesonide 1,4,14-Triene Triol Impurity ; (11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione | 131918-72-4

    Code: JCBDS-20
    CAS:  131918-72-4
    Chemical Formula:C23H28O7
    Molecular Weight:416-20
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Budesonide 1,4,14-Triene Triol Impurity ; (11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione | 131918-72-4  is useful as reference Impurity standard.
    Budesonide 1,4,14-Triene Triol Impurity ; (11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione  |  131918-72-4
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    Product Name : Budesonide 1,4,16-Triene Impurity ; 21-Acetoxy-11β-hydroxypregna-1,4,16-triene-3,20-dione | 3044-42-6

     Code  : JCBDS-19
     CAS  : 3044-42-6
     Formula  : C23H28O5
     M.Wt  : 384.47
     Category  : Impurity
     
    Budesonide 1,4,16-Triene Impurity ; 21-Acetoxy-11β-hydroxypregna-1,4,16-triene-3,20-dione  |  3044-42-6
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    Product Name : Budesonide 17,21-Diacetyloxy Impurity ; 11β,17,21-Trihydroxypregna-1,4-diene-3,20-dione; (11β)-17,21-Bis(acetyl oxy)-11-hydroxypregna-1,4-diene-3,20-dione | 17652-24-3

     Code  : JCBDS-18
     CAS  : 17652-24-3
     Formula  : C25H32O7
     M.Wt  : 444.52
     Category  : Impurity
     
    Budesonide 17,21-Diacetyloxy Impurity ; 11β,17,21-Trihydroxypregna-1,4-diene-3,20-dione; (11β)-17,21-Bis(acetyl oxy)-11-hydroxypregna-1,4-diene-3,20-dione   |   17652-24-3
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    Product Name : Budesonide 17-Carboxylic Acid Impurity ; (11β,16α,17α)-16,17-[Butylidenebis(oxy)]-11-hydroxy-3-oxo-androsta-1,4-diene-17-carboxylic acid | 192057-49-1

     Code  : JCBDS-17
     CAS  : 192057-49-1
     Formula  : C24H32O6
     M.Wt  : 416.51
     Category  : Impurity
     
    Budesonide 17-Carboxylic Acid Impurity ; (11β,16α,17α)-16,17-[Butylidenebis(oxy)]-11-hydroxy-3-oxo-androsta-1,4-diene-17-carboxylic acid   |   192057-49-1
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    Product Name : Budesonide 21-Butyrate Impurity ; 16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione-21-butyrate

     Code  : JCBDS-16
     CAS  : 2408495-96-3
     Formula  : C29H40O7
     M.Wt  : 500.62
     Category  : Impurity
     
    Budesonide 21-Butyrate Impurity ; 16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione-21-butyrate
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    Product Name : Budesonide 6-alpha-Hydroxy Impurity ;(6α,11β,16α)-16,17-[Butylidenebis(oxy)]-6,11,21-trihydroxypregna-1,4-diene-3,20-dione | 577777-51-6

     Code  : JCBDS-15
     CAS  : 577777-51-6
     Formula  : C25H34O7
     M.Wt  : 446.53
     Category  : Impurity
     
    Budesonide 6-alpha-Hydroxy Impurity ;(6α,11β,16α)-16,17-[Butylidenebis(oxy)]-6,11,21-trihydroxypregna-1,4-diene-3,20-dione  |  577777-51-6
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    Product Name : Budesonide 6-beta-Hydroxy Impurity ;(6β,11β,16α)-16,17-[Butylidenebis(oxy)]-6,11,21-trihydroxypregna-1,4-diene-3,20-dione | 88411-77-2

    Code: JCBDS-14
    CAS: 88411-77-2
    Chemical Formula:C25H34O7
    Molecular Weight:446.53
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Budesonide 6-beta-Hydroxy Impurity ;(6β,11β,16α)-16,17-[Butylidenebis(oxy)]-6,11,21-trihydroxypregna-1,4-diene-3,20-dione | 88411-77-2 is useful as reference Impurity standard.
    Budesonide 6-beta-Hydroxy Impurity ;(6β,11β,16α)-16,17-[Butylidenebis(oxy)]-6,11,21-trihydroxypregna-1,4-diene-3,20-dione  |  88411-77-2
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    Product Name : Budesonide EP Impurity A ; 11β,16α,17,21-Tetrahydroxypregna-1,4-diene-3,20-dione | 13951-70-7

     Code  : JCBDS-13
     CAS  : 13951-70-7
     Formula  : C21H28O6
     M.Wt  : 376.44
     Category  : Impurity
     
    Budesonide EP Impurity A ; 11β,16α,17,21-Tetrahydroxypregna-1,4-diene-3,20-dione  |   13951-70-7
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    Product Name : Budesonide EP Impurity B ; Budesonide Acetylaldehyde Acetal ;16α,17-[(1RS)-Ethylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione | 1040085-98-0

     Code  : JCBDS-12
     CAS  : 1040085-98-0
     Formula  : C23H30O6
     M.Wt  : 402.48
     Category  : Impurity
     
    Budesonide EP Impurity B ; Budesonide Acetylaldehyde Acetal ;16α,17-[(1RS)-Ethylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione  |  1040085-98-0
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    Product Name : Budesonide EP Impurity C ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β-hydroxy-17-(hydroxymethyl)-D-homoandrosta-1,4-diene-3,17a-dione | 1040085-99-1

    Code: JCBDS-11
    CAS: 1040085-99-1
    Chemical Formula:C25H34O6
    Molecular Weight:430.53
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Budesonide EP Impurity C ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β-hydroxy-17-(hydroxymethyl)-D-homoandrosta-1,4-diene-3,17a-dione | 1040085-99-1  is useful as reference Impurity standard.
    Budesonide EP Impurity C ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β-hydroxy-17-(hydroxymethyl)-D-homoandrosta-1,4-diene-3,17a-dione  |   1040085-99-1
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    Product Name : Budesonide EP Impurity D ;Budesonide Aldehyde Impurity ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β-hydroxy-3,20-dioxopregna-1,4-dien-21-aldehyde | 85234-63-5

     Code  : JCBDS-10
     CAS  : 85234-63-5
     Formula  : C25H32O6
     M.Wt  : 428.52
     Category  : Impurity
     
    Budesonide EP Impurity D ;Budesonide Aldehyde Impurity ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β-hydroxy-3,20-dioxopregna-1,4-dien-21-aldehyde   |  85234-63-5
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    Product Name : Budesonide EP Impurity E ;Budesonide USP RC E ;14,15-Dehydro Budesonide ; 16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4,14-triene-3,20-dione | 131918-64-4

     Code  : JCBDS-09
     CAS  : 131918-64-4
     Formula  : C25H32O6
     M.Wt  : 428.52
     Category  : Impurity
     
    Budesonide EP Impurity E ;Budesonide USP RC E ;14,15-Dehydro Budesonide ;  16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4,14-triene-3,20-dione  |  131918-64-4
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    Product Name : Budesonide EP Impurity F ;Desonide ;16α,17-[1-Methylethylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione | 638-94-8

     Code  : JCBDS-08
     CAS  : 638-94-8
     Formula  : C24H32O6
     M.Wt  : 416.51
     Category  : Impurity
     
    Budesonide EP Impurity F ;Desonide ;16α,17-[1-Methylethylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione  |  638-94-8
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    Product Name : Budesonide EP Impurity G ;Budesonide USP RC G ;1,2-Dihydro Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregn-4-ene-3,20-dione | 137174-25-5

     Code  : JCBDS-07
     CAS  : 137174-25-5
     Formula  : C25H36O6
     M.Wt  : 432.55
     Category  : Impurity
     
    Budesonide EP Impurity G ;Budesonide USP RC G ;1,2-Dihydro Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregn-4-ene-3,20-dione   |  137174-25-5
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    Product Name : Budesonide EP Impurity H ; 9,11-Anhydro Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-21-hydroxypregna-1,4,9(11)-triene-3,20-dione | 313474-58-7

     Code  : JCBDS-06
     CAS  : 313474-58-7
     Formula  : C25H32O5
     M.Wt  : 412.52
     Category  : Impurity
     
    Budesonide EP Impurity H ; 9,11-Anhydro Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-21-hydroxypregna-1,4,9(11)-triene-3,20-dione  |  313474-58-7
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    Product Name : Budesonide EP Impurity I ;16α-Butyloxy Prednisolone ;11β,17,21-Trihydroxy-3,20-dioxopregna-1,4-dien-16α-yl butanoate | 113930-13-5

     Code  : JCBDS-05
     CAS  : 113930-13-5
     Formula  : C25H34O7
     M.Wt  : 446.53
     Category  : Impurity
     
    Budesonide EP Impurity I ;16α-Butyloxy Prednisolone ;11β,17,21-Trihydroxy-3,20-dioxopregna-1,4-dien-16α-yl butanoate  |  113930-13-5
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    Product Name : Budesonide EP Impurity J ; 9α-Bromo Budesonide ; 16α,17-[(1RS)-Butylidenebis(oxy)]-9α-bromo-11β,21-dihydroxypregna-1,4-diene-3,20-dione | 313474-59-8

     Code  : JCBDS-04
     CAS  : 313474-59-8
     Formula  : C25H33BrO6
     M.Wt  : 509.43
     Category  : Impurity
     
    Budesonide EP Impurity J ; 9α-Bromo Budesonide ; 16α,17-[(1RS)-Butylidenebis(oxy)]-9α-bromo-11β,21-dihydroxypregna-1,4-diene-3,20-dione  |  313474-59-8
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    Product Name : Budesonide EP Impurity K ;Budesonide 21-Acetate ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione-21-acetate | 51333-05-2

     Code  : JCBDS-03
     CAS  : 51333-05-2
     Formula  : C27H36O7
     M.Wt  : 472.57
     Category  : Impurity
     
    Budesonide EP Impurity K ;Budesonide 21-Acetate ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione-21-acetate  |  51333-05-2
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    Product Name : Budesonide EP Impurity L ;Budesonide USP RC L ;11-Keto Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione | 216453-74-6

    Code: JCBDS-02
    CAS: 216453-74-6
    Chemical Formula:C25H32O6
    Molecular Weight:428.52
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Budesonide EP Impurity L ;Budesonide USP RC L ;11-Keto Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione | 216453-74-6  is useful as reference Impurity standard.
    Budesonide EP Impurity L ;Budesonide USP RC L ;11-Keto Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione |  216453-74-6
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    Product Name : Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione | 51333-22-3

    Code: JCBDS-01
    CAS: 51333-22-3
    Chemical Formula:C25H34O6
    Molecular Weight:430.53
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione | 51333-22-3 is useful as reference Impurity standard.
    Budesonide ;16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione  |  51333-22-3