Ketotifen free base

• Post Date:

  Nov 08,2019

• Expiry Date:

  May 06,2020

• Detailed Description:

  Cas No. :34580-13-7 Analysis Items Standard
  Apperance yellow crystal powder
  Assay(HPLC) 98.5% min
  Melting point 152-157ºC
  Related substances 1.0% max
  Ignition residue 0.1% max
  Loss on drying 0.5% max
  
  Used for the synthesis of antihistamines ketotifen, treatment and prevention of allergic asthma.

• CAS Registry Number:

  34580-13-7

• Synonyms:

  ;Ketotifen [INN:BAN];4,9-Dihydro-4-(1-methyl-4-piperidinylidene)-10H-benzo(4,5)cyclohepta(1,2-b)thiophen-10-one;BRN 3983897;HC 20-511;HSDB 7283;Ketotifene;Ketotifene [INN-French];Ketotifeno;Ketotifeno [INN-Spanish];Ketotifenum;Ketotifenum [INN-Latin];UNII-X49220T18G;10H-Benzo(4,5)cyclohepta(1,2-b)thiophen-10-one, 4,9-dihydro-4-(1-methyl-4-piperidinylidene)-;Ketotifen Free Base;

• Molecular Formula:

  C₁₉H₁₉NOS

• Molecular Weight:

  309.426

• Molecular Structure:

  

• Company:

  China Qingdao Hongjin Chemical Co., Ltd.     [ China ]        

• Contact:

  Mr Teng

• Tel:

  +86-532-83657313

• Fax:

  +86-532-83628240

• Email:

  hjt@hong-jin.com