Simson Pharma reference standards

Reference standards published in the Simson Pharma catalogue, listed with CAS number, molecular formula, molecular weight and structure where available.

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  Erdafitinib Nitroso Impurity

  CAS not assignedC25H29N7O3

  BACK ORDERRS-E511001

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  Erlotinib Nitroso Impurity

  CAS not assignedC22H22N4O5

  BACK ORDERRS-E512001

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  Erythromycin Phthalate Impurity

  CAS not assignedC45H71NO16

  BACK ORDERRS-E513001

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  Esmolol Nitroso Impurity

  CAS not assignedC16H24N2O5

  IN STOCKRS-E514001

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  Enalaprilat Nitroso Impurity

  CAS not assignedC18H23N3O6

  IN STOCKRS-E515001

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  Erdosteine Homocysteine Impurity

  CAS not assignedC12H18N2O5S3

  IN STOCKRS-E516001

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  Erdosteine Nitroso Impurity 1

  CAS not assignedC6H7ClN2O3S

  IN STOCKRS-E517001

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  enacapavir Impurity 28

  CAS not assignedC14H6Br2Cl2N4

  CUSTOM SYNTHESISRS-E518001

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  Erythromycin Nitroso Impurity 1

  CAS not assignedC36H62N2O13

  BACK ORDERRS-E519001

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  Elvitegravir Nitroso Impurity 1

  CAS not assignedC17H19BrF2N2O5

  BACK ORDERRS-E520001

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  Ensifentrine amine impurity

  CAS not assignedC25H31N4O3.Cl

  BACK ORDERRS-E521001

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  Ensifentrine Hydrochloride impurity

  CAS not assignedC23H25N3O3.HCl

  BACK ORDERRS-E522001

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  Epoxy Artesunate Impurity

  CAS not assignedC19H28O8

  IN STOCKRS-E523001

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  Esomeprazole N-Nitroso Impurity 1

  CAS not assignedC17H18N4O4S

  CUSTOM SYNTHESISRS-E524001

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  Enalapril Sodium Impurity

  CAS not assignedC19H26N2O5.Na

  CUSTOM SYNTHESISRS-E525001

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  Encorafenib Nitroso Impurity

  CAS not assignedC22H26ClFN8O5S

  BACK ORDERRS-E526001

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  Epinephrine Acetate Impurity 29

  CAS not assignedC9H13NO4.CH3COOH

  CUSTOM SYNTHESISRS-E527001

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  Everolimus Dehydrate Impurity

  CAS not assignedC53H83NO14

  BACK ORDERRS-E528001

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  Etodolac Nitroso Impurity 7

  CAS not assignedC16H18N2O4

  IN STOCKRS-E529001

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  Ethyl Mirabegron Thiourea Impurity

  CAS not assignedC24H29N5O2S2

  BACK ORDERRS-E530001

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  Etravirine N-Oxide Impurity

  CAS not assignedC20H15BrN6O2

  CUSTOM SYNTHESISRS-E531001

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  Esomeprazole Dihydropyridine Impurity

  CAS not assigned

  BACK ORDERRS-E683001

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  Fesoterodine Acid Impurity

  CAS 194482-44-5C22H29NO3

  IN STOCKRS-F152001

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  Famotidine Adduct Impurity

  CAS 1994267-84-3C15H19N7O2S3

  IN STOCKRS-F155001

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  Fluticasone Impurity 21

  CAS 22593-10-8C25H32F2O6

  BACK ORDERRS-F160001

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  Fulvestrant Chloro Impurity

  CAS 2490287-82-4C29H43ClO3

  CUSTOM SYNTHESISRS-F163001

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  Fludrocortisone Acetate Impurity 1

  CAS 357-09-5C19H25FO3

  CUSTOM SYNTHESISRS-F178001

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  Fenoprofen Calcium Salt Dihydrate

  CAS 71720-56-4C30H26CaO6·2H2O

  IN STOCKRS-F193001

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  Fluazuron Chloro Impurity

  CAS 86811-59-8C20H10Cl3F4N3O3

  BACK ORDERRS-F262001

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  Famciclovir N-Acetyl Impurity

  CAS not assignedC16H21N5O5

  CUSTOM SYNTHESISRS-F395001

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  Fluticasone Thioacid Impurity

  CAS not assignedC25H31F3O5S

  CUSTOM SYNTHESISRS-F397001

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  Fosfomycin Methoxy Open Ring Impurity

  CAS not assignedC4H11O5P

  IN STOCKRS-F398001

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  Frovatriptan Nitroso Impurity 1

  CAS not assignedC14H16N4O2

  IN STOCKRS-F399001

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  4,5-Epoxy-Fluprednidene Acetate

  CAS not assignedC24H29FO7

  BACK ORDERRS-F406001

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  Famotidine Nitroso Impurity 1

  CAS not assignedC8H14N8O3S3

  IN STOCKRS-F434001

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  Febuxostat Diformyl impurity

  CAS not assignedC15H13NO5S

  IN STOCKRS-F435001

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  Febuxostat Des Cyano Hydroxy Impurity

  CAS not assignedC11H9NO3S

  CUSTOM SYNTHESISRS-F436001

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  Fesoteridone

  CAS not assignedC26H37NO3

  BACK ORDERRS-F437001

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  Fesoteridone Aldehyde of Diol Impurity

  CAS not assignedC26H33NO6

  BACK ORDERRS-F438001

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  Fingolimod 4-Hydroxy Impurity

  CAS not assignedC19H33NO3.HCl

  IN STOCKRS-F439001

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  Finerenone Nitroso Impurity

  CAS not assignedC21H21N5O4

  BACK ORDERRS-F440001

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  Flubendazole Nitroso Impurity

  CAS not assignedC16H11FN4O4

  IN STOCKRS-F441001

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  Fezolinetant Niroso Impurity 1

  CAS not assignedC9H11N7OS

  IN STOCKRS-F442001

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  Fezolinetant Nitrosamine impurity 1

  CAS not assignedC5H9N3O2

  IN STOCKRS-F443001

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  Fluconazole Nitroso Impurity 1

  CAS not assignedC2H2N4O

  IN STOCKRS-F444001

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  Fluoxetine Nitroso EP Impurity C

  CAS not assignedC17H17F3N2O2

  CUSTOM SYNTHESISRS-F445001

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  Fluphenazine Nitroso Impurity 1

  CAS not assignedC20H21F3N4OS

  BACK ORDERRS-F446001

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  Fluphenazine Phosphate Impurity

  CAS not assignedC22H27F3N3O4PS

  BACK ORDERRS-F447001

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  Flumethasone Pivalate Impurity D

  CAS not assignedC27H36ClFO6

  CUSTOM SYNTHESISRS-F448001

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  Fluoro uridine impurity

  CAS not assignedC10H13FN2O5

  IN STOCKRS-F449001

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  Fluoro uridine phosphate impurity

  CAS not assignedC10H14FN2O8P

  CUSTOM SYNTHESISRS-F450001

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  Formoterol Bromo Impurity

  CAS not assignedC19H23BrN2O4

  BACK ORDERRS-F452001

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  Fosaprepitant Desfluoro Impurity

  CAS not assignedC23H23F6N4O6P

  BACK ORDERRS-F453001

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  Fosaprepitant Diastereomer Impurity

  CAS not assignedC23H22F7N4O6P·2(C7H17NO5)

  BACK ORDERRS-F454001

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  Folinic Acid Nitroso Impurity 3

  CAS not assignedC20H21N9O9

  BACK ORDERRS-F455001

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  Formoterol Ethyl Ether Impurity

  CAS not assignedC21H28N2O4

  IN STOCKRS-F456001

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  Fomepizole Nitroso Impurity

  CAS not assignedC4H5N3O

  IN STOCKRS-F457001

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  Fosaprepitant Meglumine Impurity

  CAS not assignedC30H28F7N4O6P.C7H17NO5

  BACK ORDERRS-F458001

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  Fosaprepitant N-phosphoryl impurity

  CAS not assignedC23H23F7N4O9P2

  BACK ORDERRS-F459001

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  Fosaprepitant O-phosphoryl impurity

  CAS not assignedC23H23F7N4O9P2

  CUSTOM SYNTHESISRS-F460001

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17,015 products · 284 pages