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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates (Find 18221 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.

benzoate

(766-76-7)
The main components of Benzoate anion are benzoic acid and its derivatives. It has excellent emulsification and dispersion, can effectively reduce the surface tension, and is widely used in the field of pearl gloss agent, emulsion and so on. In addition, benzoic acid surfactants also have the characteristics of antistatic, anti-corrosion, penetration, etc., and are widely used in electronics, metals, engineering and other industries. Benzoate anion is a negatively charged surfactant that is characterized by good cleaning and emulsification capabilities, the ability to stabilize liquid foam, and the effect of reducing surface tension. Anionic surfactants are widely used in various fields such as detergents, concentrates and emulsifiers. Benzoate anion and its sodium salts have no bactericidal and bacteriostatic effects in acidic media, but in slightly acidic or neutral media, benzoate anion will ionize and acidize, inhibit the respiratory enzyme system activity of microbial cells, and thus play a role in bactericidal and antiseptic. Therefore, benzoate anion is widely used as a preservative for food, feed, latex, toothpaste, and cosmetics to prevent product deterioration and extend shelf life. Benzoate anion has antibacterial and anti-inflammatory effects and is therefore used as a pharmaceutical intermediate to synthesize many important drugs such as antibiotics, anti-inflammatory drugs, aspirin, ibuprofen, etc. Benzoate anion can react with other compounds to produce a variety of organic compounds, which have excellent physical and chemical properties, and are widely used in the preparation of fragrances, coatings, dyes and polymer materials. Benzoate anion can be used for seed treatment to improve the speed and efficiency of seed germination. Soaking the seeds in an aqueous solution containing benzoate anion can promote water absorption and accelerate seed growth, thus increasing the productivity and yield of the plant. Benzoate anion can inhibit the activity of tyrosinase, thereby reducing the synthesis of melanin, to achieve whitening effect. Therefore, benzoate anion is often used in whitening products such as whitening creams and whitening serums. Benzoate anion can regulate the pH of the skin, maintain the normal pH of the skin, and maintain the health of the skin.

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Titanium Dioxide

(13463-67-7)
Component of porcelain enamels & glazes-eg, as opacifier.Used in paint, ink, plastic, rubber, paper, chemical fiber and other industries. Edible white pigment; compatibilizer. Silica and/or alumina are commonly used as dispersion aids. As a food coloring agent, my country stipulates that it can be used in preserved fruit, the maximum use amount is: 10g/kg; in candy coating, the maximum use amount is 2.0g/kg. White inorganic pigment. It is the strongest kind of white pigments, has excellent hidin

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Aniline

(62-53-3)
Aniline is a toxic organic compound with the formula C6H5NH2. Consisting of a phenyl group attached to an amino group, aniline is the prototypical aromatic amine. Its main use is in the manufacture of precursors to polyurethane and other industrial chemicals. Like most volatile amines, it possesses the odor of rotten fish. It ignites readily, burning with a smoky flame characteristic of aromatic compounds.

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CALCISEPTINE

(134710-25-1)
Biochemical probe for L-type Ca2+ channels.

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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.

Frequently Asked Questions

What are Bulk Drug Intermediates?

Bulk Drug Intermediates are chemical compounds produced during the multi-step synthesis of Active Pharmaceutical Ingredients (APIs). They are not yet the final API but play a critical role in the manufacturing process. These intermediates must meet strict quality and purity standards to ensure the safety and efficacy of the final drug product. Understanding their function helps pharmaceutical manufacturers maintain compliance and optimize production efficiency.

How do Bulk Drug Intermediates differ from APIs?

While both Bulk Drug Intermediates and Active Pharmaceutical Ingredients (APIs) are essential in drug manufacturing, they serve different roles. Intermediates are precursor molecules formed during synthesis steps before the final API is created. APIs are the biologically active components responsible for the therapeutic effect in a medication. Intermediates typically undergo further chemical transformation, whereas APIs are formulated directly into dosage forms like tablets or injections.

What quality standards apply to Bulk Drug Intermediates?

Bulk Drug Intermediates must comply with stringent regulatory guidelines, including Good Manufacturing Practices (GMP), especially if they are used in the production of regulated pharmaceuticals. Key quality parameters include identity, purity, assay, residual solvents, and impurity profiles. Reputable suppliers provide comprehensive Certificates of Analysis (CoA) and often adhere to ICH Q7 guidelines to ensure consistency, safety, and traceability throughout the supply chain.

How to choose a reliable supplier for Bulk Drug Intermediates?

Selecting a trustworthy supplier for Bulk Drug Intermediates involves evaluating several factors:1. Regulatory compliance—verify GMP certification and audit history.2. Analytical capabilities—ensure they offer full documentation like CoA, MSDS, and stability data.3. Scalability and reliability—assess their production capacity and on-time delivery record.4. Technical support—look for suppliers with experienced chemists who can assist with process optimization or regulatory queries.Partnering with an established, audited supplier minimizes risk and ensures consistent intermediate quality.

What are common applications of Bulk Drug Intermediates in pharmaceutical manufacturing?

Bulk Drug Intermediates are primarily used in the stepwise synthesis of APIs for a wide range of medications, including antibiotics, antivirals, cardiovascular drugs, and oncology treatments. They enable modular and efficient production by allowing manufacturers to isolate and purify compounds at each reaction stage. Additionally, custom intermediates support the development of novel drug candidates during R&D and clinical trials, making them indispensable in both generic and innovative drug pipelines.

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