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Merck
CN

25745

Chloroquine diphosphate salt

≥96.0% (TLC)

Synonym(s):

N4-(7-Chloro-4-quinolinyl)-N1,N1-dimethyl-1,4-pentanediamine diphosphate salt

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About This Item

Empirical Formula (Hill Notation):
C18H26ClN3 · 2H3PO4
CAS Number:
Molecular Weight:
515.86
EC Number:
200-055-2
UNSPSC Code:
12161501
MDL number:
Beilstein/REAXYS Number:
4223142
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assay

≥96.0% (TLC)

impurities

≤3% water

solubility

H2O: 50 mg/mL, clear

mode of action

enzyme | inhibits

SMILES string

OP(O)(O)=O.OP(O)(O)=O.CCN(CC)CCCC(C)Nc1ccnc2cc(Cl)ccc12

InChI

1S/C18H26ClN3.2H3O4P/c1-4-22(5-2)12-6-7-14(3)21-17-10-11-20-18-13-15(19)8-9-16(17)18;2*1-5(2,3)4/h8-11,13-14H,4-7,12H2,1-3H3,(H,20,21);2*(H3,1,2,3,4)

InChI key

QKICWELGRMTQCR-UHFFFAOYSA-N

Other Notes

Lysosomotropic drug


Regulatory Information

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D.D. Hong
Anal. Profiles Drug Subst., 5, 61-61 (1976)
Rebecca A Clewell et al.
Toxicology and applied pharmacology, 237(3), 366-374 (2009-04-28)
Chloroquine (CQ), a drug that has been used extensively for the prevention and treatment of malaria, is currently considered safe for use during pregnancy. However, CQ has been shown to disrupt steroid homeostasis in adult rats and similar compounds, such
Ingeborg Walter-Sack et al.
European journal of clinical pharmacology, 65(2), 179-189 (2008-09-24)
Methylene blue (MB) has recently been reevaluated for malaria treatment. With the aim of excluding treatment failures due to low bioavailability, we have investigated the absolute bioavailability of MB given as an aqueous oral formulation and its interaction with chloroquine