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Top 10 CAS No. 112704-79-7 Manufacturers of Pharmaceutical Intermediate in 2025

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Understanding CAS No. 112704-79-7 – A Core Intermediate for Atazanavir Synthesis

CAS No. 112704-79-7, chemically known as (3S)-1-Benzyl-3-[(tert-butoxycarbonyl)amino]pyrrolidine, is an important chiral intermediate used in the synthesis of Atazanavir, a protease inhibitor used in combination antiretroviral therapy for HIV/AIDS.

The compound's stereoselectivity and high purity are critical for the successful synthesis of Atazanavir sulfate, which remains an essential component in global HIV treatment regimens, particularly in low- and middle-income countries.


Importance of CAS No. 112704-79-7 in Pharmaceutical Manufacturing

Essential Intermediate in Atazanavir Production

Forms the chiral core of Atazanavir, determining the drug’s efficacy and selectivity.

Strict Regulatory and Quality Requirements

Must meet cGMP standards, especially for impurity profiles and enantiomeric excess.

Supports Generic HIV Drug Manufacturing

Widely used by generic companies producing affordable, high-quality HIV treatments.

Used in Global Treatment Initiatives

Supplies Atazanavir-based therapies through WHO, PEPFAR, and Global Fund programs.

Key in Enabling Affordable Access to Antiretrovirals

A cost-efficient supply of this intermediate helps maintain drug affordability and accessibility worldwide.


Top 10 Manufacturers of CAS No. 112704-79-7

1. Farmhispania Group

  • Location: Barcelona, Spain

  • Overview: A leading European manufacturer of antiretroviral intermediates, offering high-purity chiral compounds.

  • Specialty: Proven track record in HIV protease inhibitor intermediates.

2. Curia Global (formerly AMRI)

  • Location: Albany, New York, USA

  • Overview: CDMO with strong capabilities in chiral chemistry and antiviral intermediates, including Atazanavir precursors.

  • Specialty: Custom route development and full GMP compliance.

3. Eastfine

  • Location: Changzhou City, Jiangsu Province, China

  • Overview: A reliable supplier of high-purity pharmaceutical intermediates including CAS 112704-79-7, Eastfine offers global documentation and compliance.

  • Specialty: Affordable production with strict chiral and impurity control.

4. Sai Life Sciences

  • Location: Hyderabad, India

  • Overview: Well-known for its integrated services and capability in manufacturing chiral intermediates under cGMP.

  • Specialty: Route optimization and regulatory support for HIV APIs.

5. Olon S.p.A.

  • Location: Milan, Italy

  • Overview: One of Europe’s largest API and intermediate manufacturers, specializing in high-containment chemistry.

  • Specialty: EU and FDA-compliant processes for antiretroviral supply chains.

6. Aarti Pharmalabs

  • Location: Maharashtra, India

  • Overview: A supplier of complex pharmaceutical intermediates for APIs like Atazanavir, offering large-scale, cost-efficient production.

  • Specialty: GMP facilities and reliable export logistics.

7. Cipla Ltd.

  • Location: Mumbai, India

  • Overview: A global generic leader manufacturing both APIs and intermediates for key HIV medications.

  • Specialty: WHO-prequalified supply chain supporting global access programs.

8. Delmar Chemicals

  • Location: Montreal, Canada

  • Overview: Manufactures high-purity intermediates for regulated markets, with extensive experience in HIV-related compounds.

  • Specialty: North American compliance and flexible batch sizes.

9. Sterling Pharma Solutions

  • Location: Northumberland, UK

  • Overview: A specialist in complex chemistry including asymmetric synthesis and scale-up of chiral intermediates.

  • Specialty: High-containment manufacturing and CDMO services.

10. Cambrex Corporation

  • Location: East Rutherford, New Jersey, USA

  • Overview: Offers custom development and commercial-scale production of HIV-related intermediates.

  • Specialty: Expertise in scale-up and regulatory support for US/EU markets.


Trends in the Pharmaceutical Intermediates Market

Continued Demand for HIV Treatments

Atazanavir remains in demand for resource-limited settings due to its efficacy and cost-efficiency.

Outsourcing to Global CDMOs

Drug makers are increasingly relying on specialized CDMOs for the production of complex chiral intermediates.

Focus on Enantiomeric Purity

Regulatory bodies emphasize strict enantiomeric and impurity specifications for HIV drug intermediates.

Sustainable Manufacturing Practices

Companies are adopting green chemistry approaches and waste reduction methods in chiral synthesis.

Strategic Sourcing for Global Health Programs

WHO and other global agencies require qualified suppliers with full documentation and cost-effective pricing.


Conclusion

CAS No. 112704-79-7 is a critical intermediate in the production of Atazanavir, a key component in global HIV treatment regimens. Manufacturers like Eastfine, Farmhispania, Sai Life Sciences, and Curia ensure a stable and compliant supply of this vital compound to support both commercial and public health needs.

As the fight against HIV continues, reliable suppliers of high-quality intermediates like CAS 112704-79-7 remain at the heart of cost-effective and scalable treatment access worldwide.


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