99% D-Penicillamine API Of GMP Factory

Why Import D-Penicillamine API Here

#1. Top quality with GMP/DMF:

Our D-penicillamine raw material is a GMP-approved API from Chinese NMPA, suitable for manufacturing medicines and pharmacy compounding.

Meanwhile, the DMF is also available for commercial order quantities.

#2. Competitive Prices:

As one of our strong products, we make sure you have the best offer within China.

Due to our high volume of production quantity,  we can bring down the costs so we can keep our price for penicillamine competitive.

Looking For Penicillamine API Manufacturers In China? Contact Us Now!

99% D-Penicillamine API Details

D-Penicillamine Chemical Structure
D-Penicillamine Chemical Structure


As a chelating agent and heavy metal antagonist, D-penicillamine API (Its enantiomer L-Penicillamine is toxic) is mainly used to treat heavy metal poisoning, especially Wilson’s disease [a condition in which high levels of heavy metals (copper) in the body cause damage to the liver, brain, and other organs].

It is also the second-line treatment for arsenic poisoning, but it is not recommended now.

It works by binding with heavy metals and forming a D-penicillamine-metal complex, then the complex is removed from the body through urination.

D-penicillamine is also used to treat and prevent kidney stones similar to Tiopronin API.

Meanwhile, it is also used to treat rheumatoid arthritis.

Product Name: D-Penicillamine API (D-Penicillamina, D-青霉胺)

Cas Number52-67-5

Molecular Formula: C5H11NO2S

Molecular Weight: 149.21 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: Pharmaceutical Grade (API)

Purity or Assay: 99%

Standards: Current EP Standards

Manufacturer Certificates available: GMP

Manufacturer Documents Available: COA/DMF/MSDS

Supply Capability: 1000+ KG per year


Price Ideas In 2023: 1450U~1550 USD/1KG, 800~900USD/KG for 100~500 KG. (For more updated prices, contact us directly by email or WhatsApp)

Lead Time: 3~5 days for quantities less than 5KG, 3~4 days for orders less than 500 G.

Stock Status: Over 100 KG

Shipping Temperature: Room temperature

Storage: 2~8 °C

Technical Data:

Appearance of solution: Solution S is clear (2.2.1) and not more intensely colored than intensity 6 of the range of reference solutions of the most appropriate color

Solubility: Freely soluble in water, slightly soluble in ethanol.

PH: 4.5~5.5

Specific optical rotation: -61°~-65°

Related substances: Impurity A Penicillamine disulfide: NMT1.0%, Impurity B Penicillin: NMT0.1PPm,

Ultraviolet-absorbing substances: NMT0.07

Loss on drying: NMT0.5%

Sulfated ash: NMT0.1%

Residual solvents: N-Butanol: NMT5000ppm, Methanol: NMT3000ppm, Triethylamine: NMT5000ppm

Assay: 98.0%~101.0%

Why Choose Us As Your D-Penicillamine API Supplier?

If you are looking for D-Penicillamine API Cas 52-67-5 for tablet manufacturing or your pharmacy compounding, look no more! You are dealing with the most reliable Penicillamine Supplier in China now!

#1. Supreme Quality Guaranteed By GMP and Manufacturing Expertise

OCTAGONCHEM’s penicillamine API is from the factory and certified with Good Manufacturing Practices by our Chinese NPMA (Former SFDA), meeting standards of CP, EP, and USP. The impurities are controlled as low as 0.5%.

Also with GMP and DMF, you can register it in your MOH to handle the import smoothly.

#2. Steady Supply With Ready Stock

To ensure a stable API supply to our customers, we will keep our D-Penicillamine API stock quantity over 50 KG, once it is below that amount, we will start the production of a new batch so our customers won’t worry about their supply issue.

If those 2 points above are not good enough, please let us know where we can further improve. Your trust is our motivation to further progress!

Supplier Documents Download

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