China Pharmaceutical Intermediates Manufacturers and Suppliers - Good Price

Your Leading Pharmaceutical Intermediates Supplier

Zhongda is a subsidiary of Henan Kangyuan Flavours Group Co., Ltd. It mainly deals in food additives, aroma chemicals, flavours, and pharmaceutical intermediates. Pharmaceutical intermediates are chemical compounds used as building blocks in the synthesis of active pharmaceutical ingredients (APIs). They are not the final active ingredient but are crucial stages in the chemical pathway to produce the API. Intermediates are precursors to APIs, meaning they undergo further chemical reactions to be transformed into the final active drug.

Top-ranking Products Megestrol CAS 3562-63-8
Megestrol belongs to the 17α-hydroxyprogesterone class of derivatives and is a highly potent synthetic progestin with significant anti-estrogenic effects, no estrogenic or androgenic activity and no anabolic effects.. . CAS No.: 3562-63-8.
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High Quality Megestrol CAS 3562-63-8
Megestrol belongs to the 17α-hydroxyprogesterone class of derivatives and is a highly potent synthetic progestin with significant anti-estrogenic effects, no estrogenic or androgenic activity and no anabolic effects.. . CAS No.: 3562-63-8.
read more
Good Quality Megestrol CAS 3562-63-8
Megestrol belongs to the 17α-hydroxyprogesterone class of derivatives and is a highly potent synthetic progestin with significant anti-estrogenic effects, no estrogenic or androgenic activity and no anabolic effects.. . CAS No.: 3562-63-8.
read more
Top-ranking Products Medroxyprogesterone Base CAS 520-85-4
Medroxyprogesterone Base is a synthetic progestin. It has a similar structure to natural progesterone and can bind to progesterone receptors in the body. . . CAS No.: 84371-65-3. Formula: C29H35NO2. Samples: Free samples under 100g
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High Quality Medroxyprogesterone Base CAS 520-85-4
Medroxyprogesterone Base is a synthetic progestin. It has a similar structure to natural progesterone and can bind to progesterone receptors in the body. . . CAS No.: 84371-65-3. Formula: C29H35NO2. Samples: Free samples under 100g
read more
Good Quality Medroxyprogesterone Base CAS 520-85-4
Medroxyprogesterone Base is a synthetic progestin. It has a similar structure to natural progesterone and can bind to progesterone receptors in the body. . . CAS No.: 84371-65-3. Formula: C29H35NO2. Samples: Free samples under 100g
read more
Top-ranking Products Mifepristone CAS 84371-65-3
Mifepristone is a synthetic steroid compound. It acts as an antiprogestin and antiglucocorticoid. Medically, it is widely used in the termination of early pregnancy in combination with misoprostol. . . CAS No.: 84371-65-3. Formula:
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High Quality Mifepristone CAS 84371-65-3
Mifepristone is a synthetic steroid compound. It acts as an antiprogestin and antiglucocorticoid. Medically, it is widely used in the termination of early pregnancy in combination with misoprostol. . . CAS No.: 84371-65-3. Formula:
read more
Good Quality Mifepristone CAS 84371-65-3
Mifepristone is a synthetic steroid compound. It acts as an antiprogestin and antiglucocorticoid. Medically, it is widely used in the termination of early pregnancy in combination with misoprostol. . . CAS No.: 84371-65-3. Formula:
read more
Top-ranking Products Pregna-4,6-diene-3,20-dione CAS 1162...
Pregna - 4,6 - diene - 3,20 - dione is an important steroid compound. This compound is often used as a key intermediate in the synthesis of various pharmaceutical products, especially in the production of hormonal drugs. It is usually a
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High Quality Pregna-4,6-diene-3,20-dione CAS 1162-56-7
Pregna - 4,6 - diene - 3,20 - dione is an important steroid compound. This compound is often used as a key intermediate in the synthesis of various pharmaceutical products, especially in the production of hormonal drugs. It is usually a
read more
Good Quality Pregna-4,6-diene-3,20-dione CAS 1162-56-7
Pregna - 4,6 - diene - 3,20 - dione is an important steroid compound. This compound is often used as a key intermediate in the synthesis of various pharmaceutical products, especially in the production of hormonal drugs. It is usually a
read more

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Why Choose Us?

Quality Assurance

Our products have stable quality, have obtained ISO, KOSHER, HALAL and FDA certifications, and have won recognition and satisfaction from customers.

Broad Market

Our products are exported to more than 30 countries and regions including the United States, Italy, Spain, Singapore, Canada, Indonesia, South America and Africa.

OEM & ODM Available

When you put forward your needs, our engineers will provide you with faster and more perfect customized solutions. We have a wide range of products, and we will provide technical support according to your actual needs to choose the right product for you.

Types of Pharmaceutical Intermediates

Progestins

Progestins are synthetic versions of the natural hormone progesterone, used primarily in hormonal birth control, hormone replacement therapy, and other medical treatments. They mimic progesterone's effects on the body, helping to regulate the menstrual cycle, maintain pregnancy, and manage symptoms of menopause.

Estrogens

Estrogen is a category of sex hormone responsible for the development and regulation of the female reproductive system and secondary sex characteristics. There are three major endogenous estrogens that have estrogenic hormonal activity: estrone, estradiol, and estriol.

Cortical Hormone Drug

A cortical hormone drug refers to medications that are derived from or mimic the hormones produced by the adrenal cortex, which are part of the adrenal glands located on top of each kidney. These drugs are also known as corticosteroids, and they include glucocorticoids, mineralocorticoids, and androgens.

Anti-Cancer Drug

An anticancer drug, also known as an antineoplastic drug, is a medication used to treat malignant, or cancerous, disease. These drugs can be broadly categorized into traditional cytotoxic chemotherapy, targeted therapies, immunotherapies, and hormone therapies.

Specifications of Pharmaceutical Intermediates

Tem	Specification
Density	1.12
Melting point	168-170°C
Boiling point	434.8 °C at 760 mmHg
Refractive index	1.54
Flash point	188.1 °C
Vapor pressure	9.24E-08mmHg at 25°C
PSA	43.37
LogP	4.45
Appearance	Powder

Production Process of Pharmaceutical Intermediates

API Process Development and Production involves several processing stages, such as reaction, crystallisation, separation, purification, filter cake washing, solvent swapping, and solvent exchange.

API Process Development Stage

Following drug discovery and early formulation, scientists determine how to convert the Active Pharmaceutical Ingredient (API) into an appropriate dose form for pilot production. Methods devised during this stage are later scaled up for commercial manufacturing pending successful clinical studies.

Selection of Pharmaceutical Manufacturing Machinery

The choice of machinery for blending, extrusion, drying, milling, and micronization is critical. This selection significantly influences the final drug product's physical characteristics and quality features.

Powder Processing and Particle Size Distribution (PSD)

Powder processing involves milling, which reduces particle size for optimal processability, bioavailability, reactivity, and safety. Achieving the suitable particle size distribution (PSD) ensures drug efficacy and delivery to targeted body sites.

Usage of Pharmaceutical Intermediates

API Synthesis: Pharma intermediates play a vital role in the synthesis of APIs, contributing to the creation of diverse pharmaceutical products.

Drug Formulation: Fine chemicals are utilized in drug formulation to enhance stability, solubility, and bioavailability, ensuring effective delivery and patient compliance.

Process Optimization: Pharma intermediates and fine chemicals aid in optimizing manufacturing processes, improving efficiency, reducing waste, and increasing yield.

Quality Control: Fine chemicals are used as reference standards and analytical reagents for quality control purposes, ensuring the purity and consistency of pharmaceutical products.

Customized Drug Development: The customizability of pharma intermediates and fine chemicals allows pharmaceutical companies to develop innovative drugs tailored to specific therapeutic requirements.

Research and Development: These chemicals support drug discovery and development efforts by providing essential building blocks and enabling the synthesis of novel compounds.

Our Service

① We usually supply standard samples or pre-shipment samples to customers before shipment.
② We will do our best to deliver cargo to customers as soon as possible after order confirmed.
③ We can accept factory inspection and goods inspection at any time.
④ If there is any problem with the goods received by customers, we can provide exchange or return services.

Anti-Cancer Drug Packaging

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Term of Payment

• T/T: 30% Advanced Payment, Balance Payment Against The Copy Of B/L.

• 100% LC At Sight

FAQ

Q: Do you accept small orders?

A: Yes. If you are a small retailer or starting up business,We are definitely willing to grow up with you. And we are looking forward to co-work with you for a long term relationship.

Q: How Can I place an order?

A: You could just send us inquiry to any of our sales representatives to get detailed order information, and we will explain the detail process.

Q: When will i get your reply?

A: We ensure the fastest response, fastest service, E-mails will be replied with in 12 hours.

Q: What is the purity requirement for pharmaceutical intermediates?

A: The purity requirements for pharmaceutical intermediates vary depending on the specific intermediate and its intended use. Generally, high - purity intermediates are required to ensure the quality and efficacy of the final drug product. Purity levels often need to be above 98% or even higher for some critical intermediates.

Q: Are there any environmental considerations in the production of pharmaceutical intermediates?

A: Yes, environmental considerations are important in the production of pharmaceutical intermediates. This may involve using green chemistry principles, recycling solvents, and treating wastewater to meet environmental regulations and reduce the environmental impact of the production process.

As one of the leading pharmaceutical intermediates manufacturers and suppliers in China, we warmly welcome you to to buy high-grade pharmaceutical intermediates from our factory. All chemicals are with high quality and competitive price.

progestins for prostate cancer treatment, scented ingredients, fragrant enhancers for hand creams