Product
Supplier
Encyclopedia
Inquiry
Home > Pharmaceutical Intermediates > Bulk Drug Intermediates (Find 195 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.

Ibrutinib

(936563-96-1)
Ibrutinib (PCI-32765) is a selective, irreversible Btk inhibitor with an IC50 of 0.5 nM.

Product List

Request for quotation , get quotes from more suppliers.

Indazole

(271-44-3)
white to beige needle-like crystalline powder

Product List

Request for quotation , get quotes from more suppliers.

Isoquinoline

(119-65-3)
It can produce medicines and high-efficiency insecticides. After oxidation, it can be made into pyridine carboxylic acid, and its derivatives can be used to make color films and dyes. Used as intermediates for the synthesis of drugs, dyes, pesticides and gas chromatography fixatives. Used in the production of pesticides, medicines, rubber accelerators, color film sensitizers, dyes and other products. Used as raw materials for medicines, dyes, pesticides, anion exchange resins, etc., preservative

Product List

Request for quotation , get quotes from more suppliers.

Indole-2-carboxylic acid

(1477-50-5)
• ;Reactant for total synthesis of (±)-dibromophakellin and analogs1• ;Reactant for synthesis of the pyrrolizidine alkaloid (±)-trachelanthamidine2• ;Reactant for stereoselective preparation of renieramycin G analogs3• ;Reactant for preparation of spirooxoindolepyrrolidines via reduction of indole-2-carboxylic acid followed by oxidation, condensation, reduction, amidation and Kharasch radical cyclization4• ;Reactant for Pd-catalyzed cyclization5• ;Reactant for preparation of N,N′-(pentane)diylb

Product List

Request for quotation , get quotes from more suppliers.

Isophorone

(78-59-1)
Isophorone is used as a solvent for vinylresins and cellulose esters, and in pesticides. Solvent in some printing inks, paints, lacquers and adhesives.

Product List

Price

Request for quotation , get quotes from more suppliers.

Indene

(95-13-6)
Mainly used to produce indene-gumarone resin. The raw material of indene-gumarone resin is the 160-215°C distillate cut from the heavy benzene and light oil fractions, which roughly contains 6% styrene, 4% coumarone, 40% indene, and 4-methylstyrene 5 % And a small amount of xylene, toluene and other compounds, the total amount of resin accounts for 60-70% of the raw materials. Under the action of catalysts such as aluminum chloride, boron fluoride or concentrated sulfuric acid, the indene and co

Product List

Request for quotation , get quotes from more suppliers.

Indoline

(496-15-1)
As an indole derivative, Indoline can be used in the preparation of various medicinal compounds such as potential α1-adrenoceptor (α1-AR) antagonists.

Product List

Request for quotation , get quotes from more suppliers.

Isophthalic acid

(121-91-5)
Isophthalic acid is an organic compound with the formula C6H4(CO2H)2. This colourless solid is an isomer of phthalic acid and terephthalic acid.

Product List

Price

Request for quotation , get quotes from more suppliers.

Indole-3-carbinol

(700-06-1)
Inhibits cancinogenesis at the initiation stage. A metabolite of 3-methylindole antineoplastic; inhibitor of Amyloid-beta deposition nutritional supplement

Product List

Request for quotation , get quotes from more suppliers.

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.

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.