99% Tiopronin API Of GMP Manufacturer

Why Import Tiopronin API From Us

First: Strict GMP guidelines guarantee high quality.

Our Tiopronin API is produced strictly according to cGMP guidelines. 

Therefore, this API is suitable for producing finished dosages for human consumption, especially for pharmacy compounding.

Second: Steady supply with stable stock

OCTAGONCHEM is a supplier that has a rotating stock quantity of 100~200 Kilos.

Stock status may slightly differ due to order quantities submitted by regular customers, but we ensure quick supply to the customers through our flexible production plans.

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Tiopronin Chemical Structure
Tiopronin Chemical Structure

Tiopronin raw material is a white to off-white powder with its characteristic odor.

Of course, as an organic sulfur compound, it doesn’t smell good, at least not pleasant.

Tiopronin is soluble in water or ethanol, and very slightly soluble in chloroform or ether.

Meanwhile, as a reducing molecule, tiopronin quickly goes bad when exposed to high temperatures and sunlight.

Product Name: Tiopronin (Tiopronina,硫普罗宁)

Cas Number: 1953-02-2

Molecular Formula: C5H9NO3S

Molecular Weight: 163.20 g/mol

Chemical Name: (2S)-2-amino-3-methyl-3-sulfanylbutanoic acid

HS Code: 2930909099 (Other organic sulfur compounds-其他有机硫化合物)

Suitability to be shipped by air as common goods: suitable. It is safe to be shipped by air as common goods.

Grade: Pharma-Grade

Purity or Assay: 99%

Standards: Current Enterprise/USP Standards

Manufacturer Certificates available: GMP/ISO

Manufacturer Documents Available: COA/DMF/MSDS

Supply Capability: 1000+ KG per year


Tiopronin Price Ideas In 2023: 1680USD/1KG, 900USD/KG for 10-25KG. (For more updated prices, contact us directly by email or WhatsApp)

Lead Time: 5~6 days for quantities less than 50KG, 3~4 days for orders less than 10KG.

Stock Status: Over 100KG

Shipping Temperature: Room temperature

Storage: Room temperature

Technical Data: 

Clarity and color of solution: Clear and colorless

Melting point: 96~99°C

Loss on drying: NMT0.5%

Residue on ignition: NMT0.1%

Sulfate: NMT0.048%

Related substances: NMT 2.0%

As: NMT2ppm

Fe: NMT5ppm

Assay: NLT98.5%

Tiopronin API Quality Control Measures

For Purity: HPLC or LC-Mass

We test its purity on every batch before they are released for export.

We need to make sure the quality is good before materials leave our warehouse.

Our purity requirement for our bulk tiopronin is 98.5% as min, normally the actual results will be over 99%.

For Structure: 1HNMR

We don’t test 1HNMR for every batch, but if you need it, we will test it for you.

As HPLC can also be used for identification with the comparison with the testing spectrum of RS, once the Retention Time of Peaks corresponds, it is the same material for sure.

Elemental Analysis:

We don’t normally do elemental analysis for this product, as it is not required by our SFDA or any other pharmacopeias.

If you have such requirements, we will test them in a third-party testing institution for you. 

Why Choose Us As Your Tiopronin API Supplier?

As the key player in the pharmaceutical industry in China, OCTAGONCHEM is excited to present you with a good opportunity to import Tiopronin active pharmaceutical ingredients (API) from China at an affordable price and a chance to lower your buying cost. But that’s not all, our uncompromising strive for higher quality, customer satisfaction, and innovation has positioned us as your preferred manufacturer for Tiopronin API. 

Below is why:

#1. Strict QC and 0-Tolerance for quality issues

At OCTAGONCHEM we are proud of our quality guarantee policy: for any quality issues you have encountered, either you have a full refund or you will have free exchanges of goods.

Why do we have the balls to keep that promise? It is because of our strict quality control measures.

#2. Proven expertise within the API industry

With decades of experience within the pharmaceutical export circle, OCTAGONCHEM has built itself as a reliable and trustworthy supplier. Our successful business relations with top pharmaceutical companies reflect our dedication to delivering nothing but excellence to all our customers.

#3. Top-notch manufacturing facilities

Our Tiopronin API production factories are newly built and equipped with the latest intelligent technology so we can operate at the highest standards within the current pharmaceutical industry. Our advanced facilities also give us advances on official audits from the USFDA or TGA, etc.

Choosing OCTAGONCHEM as your tiopronin supplier means you are free from any quality issues, and have a stable supply for your manufacturing schedules without any interruptions.

We look forward to any of your inquiries to mark the beginning of our successful relations.

Manufacturer Documents Download

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