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Quick Details

  • CAS No.: 11041-12-6
  • Other Names: Olestyr
  • MF: C27H47N
  • EINECS No.: 234-270-8
  • Place of Origin: Shanghai, China (Mainland)
  • Type: Blood System Agents
  • Grade Standard: Medicine Grade
  • Brand Name: SOYOUNG
  • Model Number: Meets STP-02-323 specification
  • Purity: Residue on ignition 0.1 %
  • Cholestyramine: Olestyr 11041-12-6
  • Appearance: Light yellow powder, some amine smell; Moisture absorption
  • Identification: IR absorption spectrogram comply with refercnce standard spectrogram
  • Acidity: 4.2
  • Dialysis quaternary: Complies
  • Chloride: 16.1%
  • Loss on drying: 7.2%
  • Residue on ignition: ≤0.1%
  • Heavy metals: ≤20%
  • Exchange capacity: 2.2 g

Packaging & Delivery

Packaging Details By 25 Kg/Fiber Drum, 1kg by double plastic bag and aluminum foil bag ,or customized .
Delivery Time with in 1-3 days after receive payment


Product Description

11041-12-6       colestyramin


Questran Light
Cholestyramine Resin
Cholestyramine hydroxide
cholestyramine chloride


CAS: 11041-12-6
EINECS: 234-270-8
M.F.: C27H47N


M.W.: 385.66878
Appearance : Light yellow powder, some amine smell; Moisture absorption
Identification : IR absorption spectrogram comply with refercnce standard spectrogram 
Acidity : PH 4.2
Dialysis quaternary : Complies
Chloride : 16.1%
Loss on drying : 7.2%
Residue on ignition : ≤0.1%
Heavy metals : ≤20%
Exchange capacity : exchange sodium taurocholate per gram should be 2.0-2.4g on drying basis

Storage: Store in a well-closed place with constant low temperature and no direct sun light.
Conclusion: Meets STP-02-323 specification
Packing: 25 Kg / Drum




Packaging & Shipping

Packing:By 25 Kg/Fiber Drum, 1g ,5g ,10g, 50g, 100g, 1kg by double plastic bag and aluminum foil bag  ,or customized .

Shipping methods: We offer several delivery services to suit all customer needs, such as AIR freight, DHL, FEDEX, TNT, UPS, EMS, SEA freight and others.

Our Services

We have the following advantages and service

1.A novel R&D center with advanced ventilation equipments and modern experiment equipments.

2.Two Large production factories with high capacity and meet the requirements of GMP.

3.Two warehouses in Shanghai China and Colorado USA.

4.Supplying the products from our manufacturers;

5.Custom synthesis of new products;

6.Help sourcing products and suppliers in China;

7.Assist the export and related affairs.

8.Stable quality,professional production & technology;

9.The most competitive price;

10.Steady supply, rapid delivery;

11.Perfect service, honest cooperation.

Company Information

Shanghai Soyoung Biotechnology Inc. focus on manufacture and supply raw materials on nutritional ingredient, pharmaceutical Intermediate, cosmetics and related industries .



We has two manufacturing sites located in Shanxi and Fujian, as well as the stable and reliable supplying channel to cater the pharmaceutical and food industries globally. We are manufacturing strictly according to GMP requirement, besides the GMP approval of SFDA, some of products abtained FDA approval, COS certificate.


Our two manufacturing sites and reliable supplying channel, a science and technology research team has developed hundreds of ingredients during the past decade till today, cover areas from Nutritional Ingredient to pharmaceuticals intermediates .


In addition, we can offer special services as an agent on purchase and sales as well. We provide many common ingredients, and specialize in the sourcing and supply of materials which are hard to find, or scarce in the market place. we can offer special services as an agent on purchase and sales as well.


1.Sample :we also can provide 5-10g sample for test .

2.Payment: We accept payments throught Telex transfer, BitCoin , Western Union, Moneygram,  Letter of Credit , Trade Assurance ,  secure payment .

3.Delivery: Generally, Our policy is to dispatch all 'in stock' orders within 2 hours . Occasionally, we are out of stock of an item ordered within 2-3 working days. If we are not going to be able to dispatch the item within 3 days we will contact you to advise on the situation. Should you wish to change the order you can do so at that time. We will also offer you the option to receive a full refund instead. 



Transaction History of the Supplier

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Transaction Overview


Transaction Details

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Trade Assurance
China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
43 Transactions 20,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $38,000
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