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Stepchem – Precision in Pharmaceutical Chemistry

Shaoxing Xindongze Chemical Co., Ltd. is a trusted provider of custom-made pharmaceutical intermediates and APIs, specializing in high-purity compounds like Mildronate and its derivatives.

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About Stepchem

Shaoxing Xindongze Chemical Co., Ltd. (Stepchem) was founded in Shaoxing Binhai Industrial Park in 2006 and officially began operations in 2008. We are a provider of custom-made products, primarily engaged in the contract research, development, and manufacturing of pharmaceutical intermediates.

Our mission is to expand into the contract development and manufacturing of active pharmaceutical ingredients (APIs), delivering high-quality, reliable solutions tailored to our clients' needs. With years of experience and strategic R&D collaborations, we are committed to innovation and excellence.

  • Founded in 2006, operational since 2008
  • Specializing in pharmaceutical intermediates
  • R&D partnerships with top institutions
Stepchem Facility Lab Research Chemical Processing Quality Control

Our Products

High-purity pharmaceutical intermediates and specialty chemicals developed with precision and consistency.

M

Mildronate

CAS: 86426-17-7

Also known as Mildronate, this compound is widely used in cardiovascular and neurological applications.

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B

3-(2,2,2-trimethylhydrazine) methylpropionate bromide

CAS: 106966-65-0

High-purity bromide salt used in synthetic pathways for bioactive molecules.

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C

3-(2,2,2-trimethylhydrazine) methylpropionate chloride

CAS: 76144-82-6

Chloride salt form with excellent solubility and stability for pharmaceutical synthesis.

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Q

2,3-Quinoxalinedimethanol 1,4-dioxide

CAS: 17311-31-8

Key intermediate in the synthesis of quinoxaline-based pharmaceuticals and antimicrobial agents.

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A

2,3-bis[(acetyloxy)methyl]-1-oxoquinoxalin-1-ium-4(1H)-olate

CAS: 10103-89-6

Advanced quinoxaline derivative used in medicinal chemistry and drug discovery.

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I

Pharmaceutical Intermediates

Custom Synthesis

We offer a wide range of custom intermediates for API development and scale-up.

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R

Research Compounds

High-Purity

Novel chemical entities and building blocks for preclinical and clinical research.

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S

Scale-Up Services

Pilot to Production

Seamless transition from lab-scale to commercial manufacturing with full documentation.

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Custom Synthesis Services

From concept to commercialization, we support your drug development journey with flexible, scalable, and compliant solutions.

Custom Content

Tailored synthesis of novel compounds, intermediates, and APIs based on client specifications.

Quality Guarantee

Strict quality control, full analytical data, and compliance with international standards.

Case Studies

Proven track record of successful custom projects across diverse therapeutic areas.

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2006
Founded
18+
Years Experience
50+
Custom Projects
10+
Global Clients

Latest News

December 11, 2024

R&D Collaboration Expansion

Stepchem has established new research and development bases in collaboration with Lanzhou University, Lanzhou Chemistry & Physics Institute of CSA, and Nankai University to enhance innovation capacity.

December 11, 2024

Official Website Launch

Congratulations on the launch of the Shaoxing Xindongze Chemical Co., Ltd. website! This marks a new chapter in our digital presence and global outreach.

Get in Touch

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

4116 Xingbinlu, Binhai Industrial Park, Shaoxing, Zhejiang, China
+86-575-85522638
[email protected]
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