Rifamycin S (CAS: 13553-79-2)
Rifamycin S is a vital intermediate compound in the pharmaceutical industry. It serves as a precursor for the synthesis of various antibiotics, particularly those belonging to the rifamycin class. This article delves into the key characteristics, applications, and the significance of Rifamycin S in drug production.
Chemical Properties and Structure
Rifamycin S, with the CAS number 13553-79-2, is a yellowish-orange crystalline powder. It possesses a complex chemical structure, characterized by a naphthoquinone core and a long side chain. This unique structure contributes to its biological activity and versatility as a pharmaceutical intermediate.
Applications in Drug Manufacturing
Rifamycin S plays a crucial role in the synthesis of several important antibiotics, including:
- Rifampicin: A widely used antibiotic for the treatment of tuberculosis and other bacterial infections.
- Rifabutin: Another effective antibiotic used in the management of tuberculosis, especially in patients with HIV/AIDS.
- Rifapentine: An alternative antibiotic for the treatment of tuberculosis, offering a shorter treatment duration.
These antibiotics are essential for combating drug-resistant bacteria and improving patient outcomes.
Zhengzhou Minzhong Pharmaceutical Co., Ltd.: A Leading Supplier
Zhengzhou Minzhong Pharmaceutical Co., Ltd. is a renowned manufacturer and supplier of Rifamycin S. With its expertise in pharmaceutical production and quality control, the company ensures the consistent supply of high-quality Rifamycin S for the global market.
Conclusion
Rifamycin S stands as a cornerstone in the pharmaceutical industry, serving as a versatile intermediate for the production of essential antibiotics. Its unique chemical properties and applications make it an invaluable compound in combating infectious diseases. Zhengzhou Minzhong Pharmaceutical Co., Ltd.’s commitment to quality and reliability further solidifies its position as a leading supplier of Rifamycin S.

Rifamycin S is an antibiotic derived from Streptomyces mediterranei, primarily used in the treatment of various bacterial infections. It is part of the rifamycin class of antibiotics, well-known for their efficacy against tuberculosis and other bacterial diseases. CAS number 13553-79-2 uniquely identifies this potent compound. Zhengzhou Minzhong Pharmaceutical Co., Ltd., a reputable manufacturer in the pharmaceutical industry, is known for producing high-quality Rifamycin S for use in both domestic and international markets.
Why Rifamycin S is Critical for Modern Medicine
Rifamycin S plays an essential role in the inhibition of bacterial RNA polymerase, making it highly effective in controlling bacterial growth and infection. It is a key active ingredient used in formulations to treat conditions like:
- Tuberculosis
- Leprosy
- Certain atypical mycobacterial infections
Pharmaceutical companies around the world rely on Rifamycin S for its consistent efficacy and low toxicity profile, making it a preferred choice for combating resistant bacterial strains.
Zhengzhou Minzhong Pharmaceutical Co., Ltd.: A Trusted Supplier
Zhengzhou Minzhong Pharmaceutical Co., Ltd. is a leader in the pharmaceutical production space, providing top-grade antibiotics such as Rifamycin S. The company adheres to rigorous quality control standards, ensuring their products meet global compliance regulations. With a focus on research and development, they have successfully expanded their footprint in global pharmaceutical markets, providing products that adhere to the highest safety and efficacy standards.
Applications of Rifamycin S in Pharmaceutical Formulations

Rifamycin S is used in various drug formulations, both as a standalone antibiotic and in combination with other compounds. Its ability to penetrate tissues and its broad-spectrum activity make it versatile in medical treatment strategies. The demand for Rifamycin S continues to grow in sectors focused on treating chronic bacterial infections.
Why Choose Zhengzhou Minzhong for Rifamycin S Supply
- Quality Assurance: The company is committed to producing Rifamycin S that meets international quality benchmarks.
- Global Reach: Zhengzhou Minzhong supplies its products to markets across Asia, Europe, and North America, making it a globally trusted brand.
- Regulatory Compliance: Their manufacturing processes adhere to GMP and other stringent regulatory requirements.
- R&D Focus: Continuous innovation ensures that Zhengzhou Minzhong remains at the forefront of antibiotic production.
Conclusion
As the need for effective antibiotics continues to grow, Rifamycin S stands out as a vital component in fighting bacterial infections. Zhengzhou Minzhong Pharmaceutical Co., Ltd. delivers a reliable, high-quality supply of Rifamycin S (CAS: 13553-79-2) to meet the evolving needs of global pharmaceutical companies.
Rifamycin S
The essential pharmaceutical intermediate for the synthesis of Rifampicin and other critical rifamycin-class antibiotics.
A Critical Role in Antibiotic Synthesis
Rifamycin S is not a final drug product; its primary value is as a versatile chemical building block. This diagram illustrates its pivotal position in producing vital, life-saving APIs.
Rifamycin S
Starting Intermediate
CAS: 13553-79-2
Rifampicin
Tuberculosis Treatment
Rifaximin
Traveler’s Diarrhea
Rifabutin
Mycobacterial Infections
Rifapentine
Latent TB Infection
Rifamycin SV
Other Derivatives
And more…
Use in Research & Development
While its primary role is synthesis, Rifamycin S is also used in laboratory settings. It acts as a model system for studying bacterial DNA-dependent RNA polymerase inhibition and developing novel antibiotic derivatives.
Product Specifications
Key technical data for Rifamycin S, ensuring suitability for your synthesis and R&D requirements.
Molecular Formula
C₃₇H₄₅NO₁₂
Molecular Weight
695.75 g/mol
Appearance
Yellow/Orange Powder
Melting Point
179-181°C (dec.)
Your Partner in Pharmaceutical Quality
The quality of an intermediate defines the quality of the final API. We are committed to manufacturing excellence at every step.
GMP Standards
Our facilities operate under strict Good Manufacturing Practice standards, ensuring a controlled and reliable production process.
Advanced Technology
We use modern equipment and sophisticated analytical instruments to guarantee the purity and consistency of our intermediates.
Global Recognition
The quality of our intermediates is reflected in the global certifications (e.g., European COS) achieved by our final API products.
Handling & Storage
Proper handling of Rifamycin S is crucial for maintaining its stability and ensuring personnel safety.
Critical Storage Requirement
Rifamycin S is heat-sensitive and must be stored under refrigerated conditions between **0°C and 10°C**. It should be handled by trained personnel in a controlled environment. Always consult the full Safety Data Sheet (SDS) before use.