Omeprazole CAS 73590-58-6

CBNumber: CB8160492

Molecular Formula:C17H19N3O3S

Formula Weight: 345.42

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Product Name: Omeprazole            CAS Number:73590-58-6            Purity: 99%

Basic Info

Product Name:Omeprazole
Other Names:elgam
Place of Origin:Shandong, China
Brand Name:Zhishang Chemical
Appearance:White powder
EINECS No.:615-996-8
Storage:Cool Dry Place
Provide:Omeprazole MSDS;
Omeprazole COA





Product Categories:

ATPase;API’s;Drug bulk;Active Pharmaceutical Ingredients;Omeprazole;Intermediates & Fine Chemicals.

Pharmaceuticals;Metabolite Reference Standard;Isotopically Labeled Pharmaceutical Reference Standard.

OSMITROL;Other APIs;Digestive System.

Chemical Properties:

Melting point :156°C
Boiling point :600.0±60.0 °C(Predicted)
density :1.332 g/cm3
Fp 9℃
storage temp:2-8°C
solubility:H2O: 0.5 mg/mL
pka pKa 4.14/8.9(H2O,t =25,I=0.025) (Uncertain)
form solid
color white
Water Solubility Soluble in water (0.5 mg/ml), DMSO (25 mg/ml), and ethanol (4.5 mg/ml).
Merck 14,6845
Stability: Stable, but hygroscopic and photosensitive. Incompatible with strong oxidizing agents. Store in the dark.
CAS DataBase Reference 73590-58-6(CAS DataBase Reference)
EPA Substance Registry System 1H-Benzimidazole, 6-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]- (73590-58-6)

  1. Omeprazole binds covalently to proton pump. It inhibits gastric secretion. Used as an anttiulcerative.
  2. Omeprazole Pellets are used in the treatment of Gastroesophageal reflux disease (GERD): A condition in which backward flow of acid from the stomach causes heartburn and injury of the food pipe (esophagus).
  3. Omeprazole is a proton pump inhibitor used to treat diseases like gastroesophageal reflux disease (GERD), used for gastric and duodenal ulcers, reflux or erosive esophagitis, and Zollinger-Ellison syndrome. It is also effective for gastric and duodenal ulcers that are ineffective with H2 receptor antagonists. Injections of Omeprazole can also be used for: 1 gastrointestinal bleeding, such as peptic and anastomic ulcer bleeding, and the prevention of severe diseases (such as cerebral hemorrhage, severe trauma, etc.) and gastric surgery caused by upper intestinal bleeding; 2 acute gastric mucosal damage complicated by stress or nonsteroidal anti-inflammatory drugs; 3 general anesthesia, post-surgery, or coma patients, to prevent acid reflux and aspiration pneumonia; 4 Combined with amoxicillin and clarithromycin, or with metronidazole and clarithromycin, it can effectively kill Helicobacter pylori (Hp).
About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food Additives
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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