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High quality Ketotifen Fumarate

Product CAS No. : 34580-14-8

Payment & Shipping Terms : Minimum Order Quantity: 10g...... Price:Negotiable .......................................................................................... Payment Terms: Western union, MoneyGram and BankWire ................... Delivery Time:The day after the payment ...................................................... Supply Ability: Mass Stock

Introduction

Product Name

Ketotifen Fumarate

Alias

Ketotifen ; Zaditen ; Benzocyclohe

CAS No.

34580-14-8

Molecular Formula

C23H23NO5S

Molecular Weight

425.5

Purity:

99.5%

Appearance

White or light yellow crystalline powder, odourless, taste bitter, slightly soluble in water and ethanol, easily soluble in methanol, very slightly soluble in chloroform and acetone.

Use

Mainly used for the prevention of bronchial asthma, allergic rhinitis, and a variety of allergic skin diseases,and inhibition of losing weight.

Packing

According to customer requirements for packaging

 

Test

Specification

Results

Appearance

White to brownish-yellow,fine,crystalline powder

Complies

Solubility

Sparingly soluble in water , slightly soluble in Methanol , very slightly soluble in acetonifrile

Complies

Identification

TLC

Complies

IR spectrum

Complies

Clarity and colour of solution

Clear and not more than Y4BY4B4

BY4

Loss on drying

Not more than 0.5%

0.20%

Sulphated ash

Not more than 0.1%

0.02%

Related substances(HPLC)

Impurity A

Impurity G

Single unknown impurity

Total impurities

 

Not more than 0.2%

Not more than 0.2%

Not more than 0. 15%

Not more than 0.5%

 

N.D

0.07%

N.D

0.07%

Residual solvents

Acetone5000ppm

Methanol500ppm

1750ppm

1ppm

Assay(potetiometic titration)

Calculated on the dried basis

Between 98.5% and 101.0%

99.55%

Conclusion

Complies

 

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