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Leading APIs & Intermediates Manufacturer in China

GMP-certified production of high-purity Active Pharmaceutical Ingredients, Intermediates, Impurity Standards, and Excipients for global pharmaceutical partners.

Explore Products Our Services

About HWCPharm

Hunan Warrant Chiral Pharmaceutical Co., Ltd. is a CFDA-approved pharmaceutical company located in Tongguan Circular Economy Industrial Park, Changsha, Hunan, China. Covering over 70,000 square meters, we specialize in the manufacturing of Active Pharmaceutical Ingredients (APIs) and advanced intermediates.

Our state-of-the-art GMP-approved facilities ensure consistent quality and scalability from lab trials to commercial production. We serve pharmaceutical innovators and generic manufacturers worldwide with reliable, compliant, and high-purity chemical products.

70,000+

Square Meters Facility

3000+

R&D Center Size

HWCPharm Facility

Our Products

High-purity APIs, Intermediates, Impurity Reference Standards, and Excipients manufactured under strict GMP conditions.

Acetylcysteine Impurity A

Acetylcysteine Impurity A

CAS: 56-89-3

Used in quality control and analytical testing of Acetylcysteine formulations.

Cetirizine Impurity G

Cetirizine Impurity G

CAS: N/A

Reference standard for HPLC and impurity profiling of antihistamine drugs.

Trometamol

Trometamol

CAS: 77-86-1

Buffering agent used in injectables and biologics to maintain pH stability.

Brivudine

Brivudine

CAS: 69304-47-8

Antiviral API used in the treatment of herpes zoster infections.

API

Ticagrelor

CAS: 274693-27-5

Antiplatelet agent used in acute coronary syndrome treatment.

Excipient

Disodium Edetate

CAS: 6831-92-6

Chelating agent used in parenteral formulations to enhance stability.

Intermediate

Choline Alfoscerate (GPC)

CAS: 28319-77-9

Nootropic compound used in cognitive support formulations.

API

Flumazenil

CAS: 78755-81-4

Benzodiazepine antagonist used in emergency reversal of sedation.

R&D & Services

From lab-scale synthesis to commercial manufacturing, we offer comprehensive CRO and CMO solutions.

CRO Services

Custom synthesis, route scouting, process optimization, and analytical method development with our experienced PhD-led R&D team.

CMO Services

Full-scale contract manufacturing from pilot batches to multi-ton production under cGMP compliance for global regulatory submissions.

Cperc

Comprehensive process evaluation and risk control to ensure robust, scalable, and sustainable manufacturing processes.

Quality & EHS

We maintain the highest standards in Quality Assurance (QA), Quality Control (QC), and Environment, Health & Safety (EHS) across all operations.

  • GMP-compliant manufacturing facilities
  • Rigorous in-process and final product testing
  • Full traceability and documentation
  • Environmentally responsible waste management
Quality Control Lab

Get in Touch

For inquiries about our products or services, please visit our official website to contact us directly.

Visit Official Website

Phone

+86-731-85910593

Email

[email protected]

Location

Changsha, Hunan, China

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