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Key Documents

H0915

Sigma-Aldrich

Hydroxychloroquine sulfate

≥98% (HPLC), powder, anti-inflammatory

Synonym(s):

Hydroxychloroquine sulfate, 7-Chloro-4-[4-(N-ethyl-N-b-hydroxyethylamino)-1-methylbutylamino]quinoline sulfate

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About This Item

Empirical Formula (Hill Notation):
C18H26ClN3O · H2SO4
CAS Number:
Molecular Weight:
433.95
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.77
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Product Name

Hydroxychloroquine sulfate, ≥98% (HPLC), powder

Quality Level

Assay

≥98% (HPLC)

form

powder

storage condition

protect from light

color

white to off-white

solubility

H2O: >20 mg/mL

SMILES string

OS(O)(=O)=O.CCN(CCO)CCCC(C)Nc1ccnc2cc(Cl)ccc12

InChI

1S/C18H26ClN3O.H2O4S/c1-3-22(11-12-23)10-4-5-14(2)21-17-8-9-20-18-13-15(19)6-7-16(17)18;1-5(2,3)4/h6-9,13-14,23H,3-5,10-12H2,1-2H3,(H,20,21);(H2,1,2,3,4)

InChI key

JCBIVZZPXRZKTI-UHFFFAOYSA-N

Gene Information

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Application

Hydroxychloroquine sulfate has been used:
  • as an inhibitor of autophagy to treat cells for apoptosis assay[1] to study the role of pirarubicin induced autophagy in bladder cancer cell line[2]
  • to evaluate the antiviral mechanism of hydroxychloroquine against DENV-2 (dengue virus-2) infection by immunofluorescence assay[3]
  • to inhibit lysosome fusion with the autophagosome[4]

Biochem/physiol Actions

Hydroxychloroquine is also used for treating rheumatoid arthritis and systemic lupus erythematosus.[5]
Hydroxychloroquine sulfate is an anti-inflammatory (via TNF), disease-modifying antirheumatic drug (DMARD), and a heme polymerase inhibitor.
Hydroxychloroquine sulfate is an anti-inflammatory (via TNF), disease-modifying antirheumatic drug (DMARD), and a heme polymerase inhibitor. It is used in treating malaria.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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The autophagy inhibitor spautin-1, either alone or combined with doxorubicin, decreases cell survival and colony formation in canine appendicular osteosarcoma cells
Schott CR, et al.
Testing, 13(10), e0206427-e0206427 (2018)
Pirarubicin induces an autophagic cytoprotective response through suppression of the mammalian target of rapamycin signaling pathway in human bladder cancer cells
Li K, et al.
Biochemical and Biophysical Research Communications, 460(2), 380-385 (2015)
Pharmacotherapeutics for Advanced Practice, 536, 435-435 (2006)
Barry Ladizinski et al.
Journal of the American Academy of Dermatology, 68(5), 749-755 (2013-02-05)
Frontal fibrosing alopecia (FFA) is a type of scarring hair loss primarily observed in postmenopausal women and characterized by fronto-tempero-parietal hairline recession, perifollicular erythema, and loss of eyebrows. The incidence is unknown, but the number of women presenting with this
Hamed Rezaei et al.
BMC musculoskeletal disorders, 14, 79-79 (2013-03-19)
To investigate hand bone loss (HBL) measured by digital X-ray radiogrammetry (DXR) in patients with early rheumatoid arthritis (RA) receiving different treatment regimens, and to evaluate if DXR change rates during the first 12 months correlate with radiological damage after 24 months.

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Questions

  1. How should stock solutions of H0915, Hydroxychloroquine sulfate, be stored after reconstituting in water or PBS?

    1 answer
    1. The best practice for item H0915, Hydroxychloroquine sulfate, involves preparing the stock solution fresh before use. Although information about the stability of small molecules in solution is rare, it is generally recommended to store in PBS at -20°C. To prevent repeated freeze-thaw cycles, it is advisable to aliquot into working volumes. Additionally, the effect of storing the stock solution on compound performance should be evaluated for each specific application. When used as a cell culture supplement, the stock solution should be diluted into the culture medium immediately before use.

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