Epothilone B-impurities | Pharmaffiliates

epothilone b

Epothilone B is a 16-membered macrolide that mimics the biological effects of taxol. The epothilones are a class of potential cancer drugs.. Reference standards of Epothilone B API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

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    [pname] => Epothilone B - API Standards 
    [catalogue_number] => PA 05 72000
    [category_ids] => ,69,81,78,70,82,88,
    [chemical_name] => 
    [weight] => 507.68
    [form] => C27H41NO6S
    [cas] => 152044-54-7
    [pslug] => 152044-54-7-epothilone-b-api-pa0572000
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PA 05 72000

Epothilone B - API Standards


  • Catalogue No.:PA 05 72000

  • CAS :

    152044-54-7

  • Molecular Formula : C27H41NO6S

  • Molecular Weight : 507.68

stdClass Object
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    [pname] => Epothilone D
    [catalogue_number] => PA 05 0721000
    [category_ids] => ,123,81,78,75,76,82,
    [chemical_name] => 
    [weight] => 491.69
    [form] =>  C27H41NO5S
    [cas] => 189453-10-9
    [pslug] => 189453-10-9-epothilone-d-synthetic-pa050721000
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PA 05 0721000

Epothilone D


  • Catalogue No.:PA 05 0721000

  • CAS :

    189453-10-9

  • Molecular Formula : C27H41NO5S

  • Molecular Weight : 491.69

stdClass Object
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    [pname] => 4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-undeca-1,5-dienyl]-2-methyl-1,3-thiazole
    [catalogue_number] => PA 05 0721001
    [category_ids] => ,69,78,75,76,82,
    [chemical_name] => 
    [weight] => 552.02
    [form] => C30H57NO2SSi2
    [cas] => 210690-85-0
    [pslug] => 210690-85-0-4-1e-3s-5z-8r-s-10s-3-11-bis-tert-butyl-dimethyl-silyl-oxy-2-6-10-trimethyl-undeca-1-5-dienyl-2-methyl-1-3-thiazole-pa050721001
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PA 05 0721001

4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-undeca-1,5-dienyl]-2-methyl-1,3-thiazole


  • Catalogue No.:PA 05 0721001

  • CAS :

    210690-85-0

  • Molecular Formula : C30H57NO2SSi2

  • Molecular Weight : 552.02

stdClass Object
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    [pname] => (4S,7R,8S,9S,13Z,16S)-4,8-Bis-{[tert-butyl(dimethyl)silyl]oxy}-5,5,7,9,13-pentamethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)ethenyl]oxocyclohexadec-13-ene-2,6-dione
    [catalogue_number] => PA 05 0721002
    [category_ids] => ,69,78,75,76,82,
    [chemical_name] => 
    [weight] => 720.21
    [form] =>  C39H69NO5SSi2
    [cas] => 189453-35-8
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PA 05 0721002

(4S,7R,8S,9S,13Z,16S)-4,8-Bis-{[tert-butyl(dimethyl)silyl]oxy}-5,5,7,9,13-pentamethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)ethenyl]oxocyclohexadec-13-ene-2,6-dione


  • Catalogue No.:PA 05 0721002

  • CAS :

    189453-35-8

  • Molecular Formula : C39H69NO5SSi2

  • Molecular Weight : 720.21

stdClass Object
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    [pname] => (3S,6R,7S,12Z,15S,16E)-3,7-Bis-{[tert-butyl(dimethyl)silyl]oxy}-15-hydroxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)-5-oxoheptadeca-12,16-dienoic Acid
    [catalogue_number] => PA 05 0721003
    [category_ids] => ,69,78,75,76,82,
    [chemical_name] => 
    [weight] => 738.23
    [form] => C39H71NO6SSi2
    [cas] => 193146-26-8
    [pslug] => 193146-26-8-3s-6r-7s-12z-15s-16e-3-7-bis-tert-butyl-dimethyl-silyl-oxy-15-hydroxy-4-4-6-8-12-16-hexamethyl-17-2-methyl-1-3-thiazol-4-yl-5-oxoheptadeca-12-16-dienoic-acid-pa050721003
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PA 05 0721003

(3S,6R,7S,12Z,15S,16E)-3,7-Bis-{[tert-butyl(dimethyl)silyl]oxy}-15-hydroxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)-5-oxoheptadeca-12,16-dienoic Acid


  • Catalogue No.:PA 05 0721003

  • CAS :

    193146-26-8

  • Molecular Formula : C39H71NO6SSi2

  • Molecular Weight : 738.23

stdClass Object
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    [pname] => (3S,6R,7S,8S,12Z,15S,16E)-1,3,7,15-Tetrakis-{[tert-butyl(dimethyl)silyl]oxy}-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)heptadeca-12,16-dien-5-one
    [catalogue_number] => PA 05 0721004
    [category_ids] => ,69,78,75,76,82,
    [chemical_name] => 
    [weight] => 952.77
    [form] => C51H101NO5SSi4
    [cas] => 193146-51-9
    [pslug] => 193146-51-9-3s-6r-7s-8s-12z-15s-16e-1-3-7-15-tetrakis-tert-butyl-dimethyl-silyl-oxy-4-4-6-8-12-16-hexamethyl-17-2-methyl-1-3-thiazol-4-yl-heptadeca-12-16-dien-5-one-pa050721004
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PA 05 0721004

(3S,6R,7S,8S,12Z,15S,16E)-1,3,7,15-Tetrakis-{[tert-butyl(dimethyl)silyl]oxy}-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)heptadeca-12,16-dien-5-one


  • Catalogue No.:PA 05 0721004

  • CAS :

    193146-51-9

  • Molecular Formula : C51H101NO5SSi4

  • Molecular Weight : 952.77