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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  N-Nitroso Pivmecillinam EP Impurity B

  CAS not assignedC21H34N4O7S

  BACK ORDERRS-N763001

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  N-Nitroso Propiomazine impurity

  CAS not assignedC15H12N2O2S

  IN STOCKRS-N764001

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  N-Nitroso Oxetacaine Impurity 1

  CAS not assignedC11H16N2O

  CUSTOM SYNTHESISRS-N765001

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  N Nitroso Tepotinib Impurity 1

  CAS not assignedC28H25N7O3

  BACK ORDERRS-N766001

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  N-Nitroso Pemetrexed EP Impurity A

  CAS not assignedC21H22N6O7

  BACK ORDERRS-N767001

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  Nitroso Losartan Impurity

  CAS not assignedC22H22ClN7O2

  CUSTOM SYNTHESISRS-N768001

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  Neostigmine methoxy impurity

  CAS not assignedC11H19NO5S

  IN STOCKRS-N769001

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  Neostigmine Dimer-1 impurity

  CAS not assignedC26H42N4O12S2

  BACK ORDERRS-N770001

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  Nicardipine Nitroso Impurity

  CAS not assignedC26H28N4O7

  CUSTOM SYNTHESISRS-N771001

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  Nintedanib N-Oxide Impurity 1

  CAS not assignedC31H33N5O5

  BACK ORDERRS-N772001

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  Nortriptyline Isopropyl Ester Impurity

  CAS not assignedC23H27NO2

  IN STOCKRS-N773001

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  Nortriptyline Methyl Ester Impurity

  CAS not assignedC21H23NO2

  IN STOCKRS-N774001

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  Nitroso Eptifibatide Impurity

  CAS not assignedC36H51N11O10S2

  BACK ORDERRS-N775001

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  Nitroso Enalapril Impurity A

  CAS not assignedC20H27N3O6

  BACK ORDERRS-N776001

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  Nimodipine Nitroso Impurity 1

  CAS not assignedC21H25N3O8

  BACK ORDERRS-N777001

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  Nortriptyline Nitroso Impurity 1

  CAS not assignedC21H22N2O3

  IN STOCKRS-N778001

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  Nizatidine Nitroso Impurity 3

  CAS not assignedC12H20N6O3S2

  CUSTOM SYNTHESISRS-N779001

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  Neostigmine Nitroso Impurity 1

  CAS not assignedC10H13N3O3

  IN STOCKRS-N780001

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  Nitrofurantoin Nitroso Impurity 1

  CAS not assignedC7H6N4O6

  CUSTOM SYNTHESISRS-N781001

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  Netupitant Desmethyl Impurity

  CAS not assignedC29H30F6N4O

  BACK ORDERRS-N782001

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  Nitroso Itraconazole Impurity 2

  CAS not assignedC23H24Cl2N6O4

  BACK ORDERRS-N783001

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  (S)-Viloxazine Hydrochloride

  CAS 56287-61-7C13H19NO3.HCl

  IN STOCKRS-V087001

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  Vildagliptin Hydrochloride Impurity 42

  CAS 2260930-66-1C10H17NO2.HCl

  IN STOCKRS-V108001

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  Valgancyclovir-d5 Hydrochloride

  CAS not assignedC14H18D5ClN6O5

  IN STOCKRS-V233001

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  Valsartan Ditetrazole Impurity

  CAS not assignedC34H33N9O2

  BACK ORDERRS-V234001

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  Varenicline Citramide Impurity

  CAS not assignedC19H19N3O6

  IN STOCKRS-V235001

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  Varenicline Maltose Adduct Impurity

  CAS not assignedC25H33N3O10

  BACK ORDERRS-V236001

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  Vericiguat Acetyl Impurity

  CAS not assignedC19H16F2N8O

  BACK ORDERRS-V237001

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  Venetoclax Chloro Coupled Impurity

  CAS not assignedC64H76ClN9O7S

  BACK ORDERRS-V238001

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  Valsartan Desvaleryl Nitroso Impurity

  CAS not assignedC19H20N6O3

  CUSTOM SYNTHESISRS-V239001

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  Valsartan Desvaleryl Dinitroso Impurity

  CAS not assignedC19H19N7O4

  BACK ORDERRS-V240001

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  Venlafaxine Hydroxy Methyl Impurity Hydrochloride

  CAS not assignedC18H29NO3.HCl

  IN STOCKRS-V241001

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  Venetoclax Acyl Urea Impurity 1

  CAS not assignedC41H52ClN7O3

  BACK ORDERRS-V242001

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  Venetoclax Chloro Coupled Acid Impurity

  CAS not assignedC52H61ClN6O3

  BACK ORDERRS-V243001

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  Venetoclax Desfluoro Acid Impurity

  CAS not assignedC15H12N2O3

  IN STOCKRS-V244001

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  Venetoclax N-Coupled Acid Impurity

  CAS not assignedC47H43ClN6O6

  CUSTOM SYNTHESISRS-V245001

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  Venetoclax N-Hydroxy Acid Impurity

  CAS not assignedC33H35ClN4O4

  BACK ORDERRS-V246001

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  Velpatasvir Nitroso Impurity 4

  CAS not assignedC39H44N8O6

  CUSTOM SYNTHESISRS-V247001

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  Vardenafil Diphenyl Sulfone Impurity

  CAS not assignedC34H38N8O6S

  BACK ORDERRS-V248001

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  Vibegron Nitroso Impurity 1

  CAS not assignedC26H27N5O4

  BACK ORDERRS-V249001

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  Vericiguat Isopropyl Carbamate Impurity

  CAS not assignedC21H20F2N8O2

  BACK ORDERRS-V250001

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  Vasopressin Di Sulfonic Acid Impurity

  CAS not assignedC46H67N15O18S2

  BACK ORDERRS-V251001

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  Vibegron Hydroxy Impurity

  CAS not assignedC26H28N4O4

  CUSTOM SYNTHESISRS-V252001

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  Venetoclax Dimer Impurity 1

  CAS not assignedC45H50N8O8S

  BACK ORDERRS-V253001

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  Vildagliptin Imine N-oxide Impurity

  CAS not assignedC17H23N3O3

  IN STOCKRS-V254001

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  Vonoprazan Nitroso Impurity 1

  CAS not assignedC12H12FN3O

  IN STOCKRS-V256001

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  Vildagliptin Nitroso Impurity 4

  CAS not assignedC17H26N4O4

  IN STOCKRS-V257001

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  Vonoprazon Dimer Impurity

  CAS not assignedC23H21F2N3

  IN STOCKRS-V258001

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  Viloxazine Dimer Impurity 1

  CAS not assignedC24H33NO6

  CUSTOM SYNTHESISRS-V259001

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  Vosoritide Des Asn-15 Impurity

  CAS not assignedC176H290N56O51S3

  BACK ORDERRS-V260001

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  Vosoritide D-Ser-33 Impurity

  CAS not assignedC176H290N56O51S3

  BACK ORDERRS-V261001

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  Vosoritide D-Cys-23 Impurity

  CAS not assignedC176H290N56O51S3

  BACK ORDERRS-V262001

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  Vosoritide D-Cys-39 Impurity

  CAS not assignedC176H290N56O51S3

  BACK ORDERRS-V263001

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  Vosoritide D-Asp-29 Impurity

  CAS not assignedC176H290N56O51S3

  BACK ORDERRS-V264001

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  Vosoritide D-Ser-20 Impurity

  CAS not assignedC176H290N56O51S3

  CUSTOM SYNTHESISRS-V265001

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  Viloxazine Nitroso Impurity 1

  CAS not assignedC12H16N2O4

  CUSTOM SYNTHESISRS-V266001

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  Vilanterol Nitroso Impurity 2

  CAS not assignedC24H32Cl2N2O6

  CUSTOM SYNTHESISRS-V267001

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  Violaxanthin

  CAS not assigned

  BACK ORDERRS-V314001

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  Otilonium Bromide Impurity 18

  CAS 14629-01-7C14H23N2O2Br

  IN STOCKRS-O077001

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  Xanthotoxin Impurity B

  CAS 3779-03-1C12H10O4

  IN STOCKRS-X018001

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17,015 products · 284 pages