Product   Name

Hydroxychloroquine sulfate

CAS NO.

747-36-4

Apperance

White   powder

Assay

99%

Pacakge

1kg/Foil   Bag,25kg/Drum/Box

MOQ

1kg

Storage

Cool and   dry place

Shelf   Life

2 Years

Brand

Watson

Appearance

White or off-white crystalline powder, odorless, bitter taste

Conforms

Solubility

Freely soluble in water; practically insoluble in ethanol, chloroform   and ether

Conforms

Identification

UV: Maximum absorption at 257nm, 329nm and 343nm

Conforms

IR: The infrared absorption spectrum should be consistent with that of   the reference product (spectral collection No. 490)

Conforms

Sulfate reaction: Positive reaction

Conforms

pH

3.5~5.5

3.94

Clarity and color of solution

Meet the   requirements

Conforms

Chloride

≤0.01%

Conforms

Related substance

Single impurity   ≤0.5%

0.12%

Total impurities   ≤1.0%

0.37%

Residue on ignition

Isopropanol ≤5000ppm

Not detected

Ethyl acetate   ≤5000ppm

Not detected

Ethanol ≤5000ppm

4066ppm

Dichloromethane   ≤600ppm

Not detected

Loss on drying

≤1.0%

Conforms

Residue on ignition

≤0.1%

Conforms

Heavy metal

≤20ppm

Conforms

Assay

98.0%~102.0%

99.92%

Conclusion

The   product complies with above specifications

Q

Can I get a sample for free ?

A

For small QTY and low value product, we can provide   sample for free exclude shipping cost. For high value sample, we will charge   the basic sample cost, but we can refund all the cost if customers place   order after sample test.

Q

How to confirm the product quality before placing   orders ?

A

Most of our products confirm to international   standards like USP/EP/BP/JP/CP. We will provide COA/TDS/MSDS for customers to   confirm the specification before placing order.

Q

What is the payment you accept?

A

For small and low value order, we accept CreditCard,   MaterCard,VISA,Western Union and T/T.For large order, we can do T/T and L/C. Any   pay on delivery or pay-after are not available for us.

Q

What is your shipment way ?

A

For less than 100kg gross weight order will ship   with courier like FedEx or UPS, we support customers to place courier   orders remotely by their account, we will package the goods well and wait for   pick up.For more than 100kg goods, we will transport by Air or Sea according   to customers' requirement.

Q

How long is your after-sales service?

A

We accept customer’s quality complaint in three   month after customer received the goods. We provide tech.support for all-life   if customer place order from our company.

Q

How do you treat   quality complaint ?

A

We support customer   to provide our products to any rightful third party testing organization to   test our products according to the COA specification, if the test result is   confirm with COA, we will take all the loss for customers.