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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates (Find 1359 items)
The quality of pharmaceutical intermediates plays a crucial role in the efficacy and safety of the final drug. Our authorized vendors offer outstanding bulk drug intermediates, the very raw materials for the pharmaceutical production. Explore specific product information, such as CAS numbers, characteristics, and technical data, to improve production efficiency during the drug production process.

4-Methylpyrazole

(7554-65-6)
Useful as an antidote in methanol and ethylene glycol poisoning. Antidote in methanol or ethylene glycol poisoning;Alcohol dehydrogenase inhibitor antidote to ethylene glycol or methanol poisoning

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4-(1-Phenylethyl)-1,3-benzenediol

(85-27-8)
4-(1-Phenylethyl)-1,3-benzenediol is an novel active ingredient of highly efficient skin lightening agents.

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4-Guanidinobenzoic acid hydrochloride

(42823-46-1)
Aminobenzoic acid derivatives for treatment of chronic inflammatory diseases

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4-Chloro-6,7-dimethoxyquinazoline

(13790-39-1)
4-Chloro-6,7-dimethoxyquinazoline  is a useful synthetic intermediate in the preparation of epidermal growth factors

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4-Cyanophenacyl bromide

(20099-89-2)
4-(2-Bromoacetyl)benzonitrile is useful for the irreversible inhibitory activity of Glycogen synthase kinase 3 (GSK-3). Phenylhalomethylketones can be used in the study of novel GSK-3 inhibitors.

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4-Chloro-6-iodoquinazoline

(98556-31-1)
4-Chloro-6-iodoquinazoline is an intermediate in the synthesis of Lapatinib (L175800).

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Bulk drug intermediates are the drugs used as raw materials for the production of bulk drugs, or they can refer to a material produced during synthesis of an API that must undergo further molecular change or processing before it becomes an API.

More Information

Intermediates are unavoidable products of chemical reactions and are widely used in pharmaceuticals, materials, chemicals, and other industries.

In the pharmaceutical industry, an active pharmaceutical ingredient (API) is a product of a synthesis process that has been completed and is used in the manufacture of bulk drugs and intermediates are some chemical raw materials or chemical products used in the synthesis process of APIs.

The application industries of pharmaceutical intermediates mainly include antibiotics, anticancer drugs, cardiovascular drugs, neurological drugs, hormone drugs, and immunosuppression.

Functions of intermediates

Intermediates serve a variety of responsibilities in the drug production process.

● They can serve as a link between the API and the finished medicine. The drug production process can be broken down into multiple steps using intermediates, each requiring a different chemical.

● They can modify reaction conditions and synthesis pathways, increasing drug synthesis efficiency and yields.

● They can be employed to modify the purification, crystallization, and solid characteristics of medicines.

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