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Chloroquine diphosphate

CAS 50-63-5 C18H26ClN3 · 2H3PO4 MW 515.86 In stock

Chloroquine diphosphate is a synthetic antimalarial and immunomodulatory compound used in research and clinical settings for treating and preventing malaria, and in autoimmune disorders. It is a white to off-white crystalline powder with a molecular formula of C18H26ClN3 · 2H3PO4, a molecular weight of 515.86 g/mol, and a CAS number of 50-63-5. It must be stored at 2 to 8 °C and is classified as Danger. Molekula supplies Chloroquine diphosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Chloroquine diphosphate is a synthetic antimalarial and immunomodulatory compound used in research and clinical settings for treating and preventing malaria, and in autoimmune disorders. It is a white to off-white crystalline powder with a molecular formula of C18H26ClN3 · 2H3PO4, a molecular weight of 515.86 g/mol, and a CAS number of 50-63-5. It must be stored at 2 to 8 °C and is classified as Danger. Molekula supplies Chloroquine diphosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White or almost white crystalline powder
Heavy metals ≤20ppm
pH 3.8 - 4.3
Loss on Drying ≤2.0%
Solubility Freely soluble in water, very slightly soluble in alcohol and in Methanol
Assay ≥98.5%
UV Maxima at 220nm, 235nm, 256nm, 329nm and 342nm

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 50-63-5
Molecular Formula C18H26ClN3 · 2H3PO4
Molecular Weight 515.86
SMILES O=P(O)(O)O.ClC=1C=CC=2C(=NC=CC2NC(C)CCCN(CC)CC)C1
REACH Code Y110
HTS Code 29334970
Tariff Code 2933499090

Safety & GHS

Danger
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Compressed Gas Compressed Gas GHS04

Hazard statements

  • H302 Harmful if swallowed
  • H318 Causes serious eye damage
  • H361 Suspected of damaging fertility or the unborn child

Precautionary statements

  • P263 Avoid contact during pregnancy/while nursing
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is chloroquine diphosphate used for?

Chloroquine diphosphate is primarily used in research applications, including antimalarial studies and investigations into autoimmune diseases and viral infections.

What is the chemical formula and molecular weight of chloroquine diphosphate?

The formula is C18H26ClN3 · 2H3PO4 with a molecular weight of 515.86 g/mol.

How should chloroquine diphosphate be stored?

It should be stored at 2 to 8 °C, protected from light and moisture.

What grade is available for chloroquine diphosphate?

Available in research grade for laboratory use.

Can Molekula supply chloroquine diphosphate in bulk?

Yes, bulk quantities are available upon request—please contact our sales team for details.

What documentation comes with a purchase of chloroquine diphosphate?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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