our products
Product Introduction

QR Chemicals has successfully developed many products in the light of market demand and customers’ requirement. QR Chemicals also shares competitive advantages in process optimization, patent evaluation, impurity & genotoxic study, third part audit and COS registration for Chinese suppliers, providing high quality service to outstanding pharmaceutical companies.

01Pharmaceutical Intermediates
Methyl-4-(butyrylamino)-3-methyl-5-nitrobenzote
  • CAS NO. 152628-01-8
  • Molecular Formula: C13H16N2O5
2-N-propyl-4-methyl-6-(1-methoxycarbonyl)-benzimidazole Hydrochloride
  • CAS NO. 152628-00-7
  • Molecular Formula: C13H16N2O2
2-n-Propyl-4-methyl-6-(1-methylbenzimidazole-2-yl)benzimidazole
  • CAS NO. 152628-02-9
  • Molecular Formula: C19H20N4
N-Methyl-1,2-benzenediamine dihydrochloride
  • CAS NO. 25148-68-9
  • Molecular Formula: C7H10N2.2(HCl)
N-Methyl-4-nitroaniline
  • CAS NO. 100-15-2
  • Molecular Formula: C7H8N2O2
4'-Bromomethylbiphenyl-2-carboxylic acid methyl ester
  • CAS NO. 114772-38-2
  • Molecular Formula: C15H13BrO2
2-Fluoro-3-Chlorobenzoic Acid
  • CAS NO. 161957-55-7
  • Molecular Formula: C7H4ClFO2
2-Bromo-5-Iodobenzyl Alcohol
  • CAS NO. 946525-30-0
  • Molecular Formula: C7H6BrIO
N-Methoxy-N-methylacetamide
  • CAS NO. 78191-00-1
  • Molecular Formula: C4H9NO2
7-Hydroxy-1-tetralone
  • CAS NO. 22009-38-7
  • Molecular Formula: C10H10O2
Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate
  • CAS NO. 27143-07-3
  • Molecular Formula: C11H3ClN2O3
3-(4-Morpholinyl)-1-(4-nitrophenyl)-5,6-dihydro-2(1H)-pyridinone
  • CAS NO. 503615-03-0
  • Molecular Formula: C15H17N3O4
2,5-Dibromophenylaceticacid
  • CAS NO. 203314-28-7
  • Molecular Formula: C8H6Br2O2
3-bromophenol
  • CAS NO. 591-20-8
  • Molecular Formula: C6H5BrO
7-Methoxy-4,4-dimethyl-1,3-isochromandione
  • CAS NO. 55974-25-9
  • Molecular Formula: C12H12O4
4-[2-(3,4-Dihydro-7-methoxy-4,4-dimethyl-1,3-dioxo-2(1H)-isoquinolinyl)ethyl]benzenesulfonamide.
  • CAS NO. 33456-68-7
  • Molecular Formula: C20H22N2O5S