Clearsynth reference standards

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

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  Bictegravir N-Nitroso Impurity 1

  CAS not assignedC28H22F5N5O6

  BACK ORDERRS-B643001

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  Bicyclo Risperidone Chloride impurity

  CAS not assignedC23H28ClFN4O2

  BACK ORDERRS-B644001

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  Bilastine dicarbamate impurity

  CAS not assignedC18H23N3O4

  CUSTOM SYNTHESISRS-B645001

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  Bilastine Dimethylamide impurity

  CAS not assignedC30H42N4O2

  BACK ORDERRS-B646001

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  Bilastine N-Oxide propanol impurity

  CAS not assignedC28H39N3O3

  CUSTOM SYNTHESISRS-B647001

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  Bimatoprost grenod D5

  CAS not assignedC31H41D5N2O8

  BACK ORDERRS-B648001

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  Binimetinib benzoxazol-3-one impurity

  CAS not assignedC15H8BrF2N3O2

  IN STOCKRS-B649001

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  Bisdemethoxycurcumin-d4

  CAS not assignedC19H12D4O4

  CUSTOM SYNTHESISRS-B650001

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  Bisoprolol N-Methyl Impurity

  CAS not assignedC19H33NO4

  IN STOCKRS-B651001

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  Bisphenol AF beta-D-Glucuronide

  CAS not assignedC21H18F6O8

  BACK ORDERRS-B652001

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  Blonanserin dimer impurity

  CAS not assignedC38H42F2N4

  BACK ORDERRS-B653001

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  Boc-beta-alanine-13C3 15N

  CAS not assignedC513C3H1515NO4

  IN STOCKRS-B654001

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  Boc Velpatasvir Keto Impurity

  CAS not assignedC44H51N7O8

  BACK ORDERRS-B655001

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  Boscalid Metabolite M510F01-D4

  CAS not assignedC18H8D4Cl2N2O2

  IN STOCKRS-B656001

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  Bosutinib 4-piperazine impurity

  CAS not assignedC19H23ClN4O3

  IN STOCKRS-B657001

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  Bosutinib Oxydechlorinated Impurity

  CAS not assignedC26H30ClN5O4

  BACK ORDERRS-B658001

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  Brigatinib N-Oxide impurity

  CAS not assignedC29H39ClN7O3P

  BACK ORDERRS-B659001

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  Brimonidine Cyclized Impurity

  CAS not assignedC11H9N5

  IN STOCKRS-B660001

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  Bromethalin-13C6

  CAS not assignedC813C6H7Br3F3N3O4

  BACK ORDERRS-B661001

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  Bromonidine Dimer

  CAS not assignedC22H18Br2N10

  BACK ORDERRS-B663001

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  Bromo Ozanimod impurity

  CAS not assignedC22H25BrClN3O3

  BACK ORDERRS-B664001

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  Buparlisib-d8

  CAS not assignedC18H21F3N6O2

  CUSTOM SYNTHESISRS-B665001

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  Bupropion Amino Impurity

  CAS not assignedC9H11Cl2NO

  IN STOCKRS-B666001

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  Butibufen-d5 Acyl-β-D-glucuronide (Mixture of Diastereomers)

  CAS not assignedC20H23D5O8

  CUSTOM SYNTHESISRS-B667001

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  Butofilolol-d9

  CAS not assignedC17H17D9FNO3

  IN STOCKRS-B668001

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  Butylate-D5

  CAS not assignedC11H18D5NOS

  IN STOCKRS-B669001

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  Desethyl N-Nitroso BENAQ acetamide impurity

  CAS not assignedC21H19N5O2

  IN STOCKRS-B670001

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  ethyl-3-bromo-4,6-dihydroxy-2-pentylbenzoate

  CAS not assignedC14H19BrO4

  IN STOCKRS-B671001

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  N-[5-[1-Hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl-d6](phenylmethyl)amino]ethyl]-2-(phenylmethoxy)phenyl]formamide (E)-2-Butenedioate (Salt)

  CAS not assignedC37H34D6N2O8

  BACK ORDERRS-B672001

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  N-Desethyl N-Nitroso Brilliant Blue FCF

  CAS not assignedC35H29N3Na2O10S3

  BACK ORDERRS-B673001

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  N-Formyl Biapenic Acid

  CAS not assignedC16H20N4O6S

  CUSTOM SYNTHESISRS-B674001

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  N-Nitroso Bemzisoxazole

  CAS not assignedC7H6N2O2

  IN STOCKRS-B675001

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  N-nitroso brilliant blue g

  CAS not assignedC47H47N4NaO8S2

  BACK ORDERRS-B676001

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  N-Nitrosodemethyl Bromobenzamine

  CAS not assignedC15H16BrN3O

  IN STOCKRS-B677001

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  Norbolethone-d4

  CAS not assignedC21H28D4O2

  CUSTOM SYNTHESISRS-B678001

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  Azocasein

  CAS 102110-74-7C52H83N3O17P2

  BACK ORDERRS-U104001

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  Cytarabine EP Impurity H (HCl Salt)

  CAS 10212-25-6C9H11N3O4.HCl

  IN STOCKRS-C024001

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  (R)-(-)-Citronellyl bromide

  CAS 10340-84-8C10H19Br

  IN STOCKRS-C041001

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  4-chloro-5-hydroxy-pyridine-2-carboxylic acid

  CAS 1060804-56-9C6H4ClNO3

  IN STOCKRS-U109001

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  (1R)-(+)-2,10-Camphorsultam

  CAS 108448-77-7C10H17NO2S

  IN STOCKRS-C078001

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  (R)-Cefpodoxime Proxetil

  CAS 112345-70-7C21H27N5O9S2

  BACK ORDERRS-C087001

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  Urapidil malonic acid amide Impurity

  CAS 174364-34-2C17H25N3O4

  IN STOCKRS-U122001

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  Usnoflast

  CAS 2455519-86-3C21H29N3O3S

  BACK ORDERRS-U125001

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  Ubiquinone Q-12

  CAS 24663-36-3C69H106O4

  BACK ORDERRS-U126001

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  cis-Urocanic Acid-[13C3]

  CAS 1173097-34-1C313C3H6N2O2

  BACK ORDERRS-U136001

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  Ubiquinol Acetate

  CAS 55823-68-2C63H96O6

  CUSTOM SYNTHESISRS-U142001

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  Uroporphyrin I

  CAS 607-14-7C40H38N4O16

  BACK ORDERRS-U149001

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  11-(Acetylthio)undecanoic Acid-d20

  CAS not assignedC13H4D20O3S

  CUSTOM SYNTHESISRS-U157001

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  12-Keto Ursodeoxycholic Acid

  CAS not assignedC24H38O5

  BACK ORDERRS-U158001

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  4-Methylumbelliferyl β-D-glucuronide 13C4

  CAS not assignedC1213C4H16O9

  BACK ORDERRS-U159001

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  Umeclidinium M21

  CAS not assignedC28H32NO2+

  BACK ORDERRS-U161001

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  Ubrogepant Benzamide impurity

  CAS not assignedC22H23F3N2O2

  BACK ORDERRS-U170001

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  Uniconazole-d9

  CAS not assignedC15H9D9ClN3O

  IN STOCKRS-U171001

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  Upadacitinib 1-carboxamide Impurity

  CAS not assignedC17H19F3N6O2

  IN STOCKRS-U172001

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  Upadacitinib 3-Hydroxy Impurity

  CAS not assignedC17H19F3N6O2

  IN STOCKRS-U173001

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  Upadacitinib 6-N-Oxide Impurity

  CAS not assignedC17H19F3N6O2

  IN STOCKRS-U174001

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  Upadacitinib di-formamyl Impurity

  CAS not assignedC17H19F3N6O3

  BACK ORDERRS-U175001

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  Upadacitinib N-Formamyl Impurity

  CAS not assignedC17H19F3N6O3

  BACK ORDERRS-U176001

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  Uprosertib-13C4d3

  CAS not assignedC1413C4H13D3Cl2F2N4O2

  BACK ORDERRS-U177001

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  Urethane-13C,15N

  CAS not assignedC213CH715NO2

  IN STOCKRS-U178001

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43,777 products · 730 pages