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Chloroquine Diphosphate
(CAS RN:50-63-5 Product Number:C2301)


Chloroquine Diphosphate
Synonym 7-Chloro-4-[4-(diethylamino)-1-methylbutylamino]quinoline Diphosphate
Synonym N4-(7-Chloro-4-quinolyl)-N1,N1-diethyl-1,4-pentanediamine Diphosphate

General Information

Product Number C2301

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Purity/Analysis Method >98.0%(HPLC)(T)
Storage Temperature
M.F. / M.W. C18H26ClN3·2H3PO4=515.86
CAS RN 50-63-5
Related CAS RN
MDL Number MFCD00069852
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %

Data of Reference

mp 199°C(dec.)(lit.)


Reaxys-RN 4223142
PubChem SID 87560990
Merck Index(14) 2163
RTECS# VB2450000
EC Number 200-055-2


Signal Word Warning
Hazard Statements
  • H302
  • :Harmful if swallowed.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P301+P312+P330
  • :IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell. Rinse mouth.
  • P501
  • :Dispose of contents/container through a waste management company authorized by the local government.

Transport Information

HS Number 2933499090


Reagent for itching model


A review of the pharmacology of antimalarial agent chloroquine diphosphate


  • Antimalarial Agents: Chloroquine, Hydroxychloroquine, and Quinacrine
    • L. Tanenbaum, D. L. Tuffanelli, Arch Dermatol. 1980, 116, 587.

PubMed Literature

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