

Pharmaceutical Grade hydroxychlorquine sulfate usp 747-36-4 hydroxychlorquine sulfate
Hydroxychloroquine Sulphate was synthesized from Surrey and Hammer in 1946. Hydroxychloroquine sulfate has antipyretic, arthritis and eliminate rash inhibition, its anti-inflammatory and immune suppression and immune regulating mechanism in the complex. In the 1950 s, along with antimalarial drugs in systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) is the application of the treatment, the curative effect of hydroxychloroquine sulfate used in the treatment of the rheumatic diseases for sure. Hydroxychloroquine sulfate used in systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) and so on the treatment of rheumatism, safe, effective and well tolerated. Since the 1990 s, more than 90% of clinical treatment of rheumatism choose hydroxychloroquine sulfate.
Product Name | Hydroxychloroquine Sulphate |
CAS | 747-36-4 |
Appearance | White powder |
MF | C18H28ClN3O |
Molecular Weight | 337.89 |
Purity | 99% |
Storage | Keep in a cool, dry, dark location in a tightly sealed container or cylinder |
Shelf Life | 24 Months |

Item | Specification | Results |
Appearance | White Crystalline Powder | Comply |
Melting point | 166-170°C | 167.3-168.1°C |
Identification | Positive reaction | Positive reaction |
Related substances | ≤1.0% | 0.16% |
Loss on drying | ≤0.5% | 0.06% |
Residue on ignition | ≤0.1% | 0.02% |
Chloride | ≤0.014% | <0.014 |
Heavy Metals | ≤20ppm | <20ppm |
Clarity of solution | Conform to standard | Complies |
Microbial Limit | ≤20ppm | <20ppm |
Assay | ≥99.0% | 99.12% |

Function and Application
Hydroxychloroquine sulfate is clinically used for rheumatoid arthritis, juvenile chronic arthritis, discoid and systemic lupus erythematosus, and skin lesions caused or exacerbated by sunlight.



Xi'an Wucine Bio Industries Inc is a national key high-tech enterprise,which mainly specializes
in the R&D,operation and production of pharmaceuticals,and intermediates.Our company is
situated in E&T development zone,xi'an city shaanxi,it is easy of access.Our company has
independent R&D center,raw material synthesis workshop,has advanced quality instruments
and equipmentm,several product patents there are 15 experts in our research team.We insist
in innovation and produce high quality products.



1. Are you a manufacturer or trade company?
We are a professional manufacturer.
2.What's your payment terms?
Standard terms: T/T in advance and Western Union.
Also L/C at sight is acceptable for large amount.
3.What's your shipping time?
We have a large stock, which means we can deliver the goods to you immediately.
4.How do you ensure the quality of your products?
Strict QC with 6 steps testing from raw material purchase to finished product.
5.How do you ship the order normally?
For large qty order,ship the goods by sea.
For small qty order, by air or express. We supply optional express for you, including DHL,FEDEX,UPS,TXT,EMS,and so on.
6.What's your loading port?
Usually Shanghai, Qingdao, Tianjin, Guangzhou