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For professionals in the pharmaceutical and chemical industries, the act of purchasing raw materials is a meticulous process governed by stringent quality requirements. Propionyl-L-carnitine hydrochloride (CAS 119793-66-7) is no exception. This compound, recognized for its role in mitochondrial energy metabolism and potential applications in treating renal and cardiovascular conditions, demands careful attention to its specifications. Understanding these critical parameters is vital when you choose to buy from a supplier.
The foremost specification that buyers of Propionyl-L-carnitine hydrochloride should scrutinize is its purity. Typically, pharmaceutical-grade intermediates require a high level of purity, often specified as 99% minimum. This ensures that the compound is free from significant impurities that could interfere with downstream synthesis or affect the efficacy and safety of the final pharmaceutical product. Manufacturers often use High-Performance Liquid Chromatography (HPLC) as a standard method for assaying purity, and it's advisable to request a Certificate of Analysis (CoA) that details these results.
Beyond purity, the physical characteristics of Propionyl-L-carnitine hydrochloride are also important. The product is usually described as a white crystalline powder. Consistent appearance across batches is a good indicator of stable manufacturing processes. Other specifications may include its specific rotation, which relates to its enantiomeric purity, and limits for heavy metals, arsenic, and loss on drying, all of which are critical for pharmaceutical applications. Buyers should confirm that the CAS number, 119793-66-7, precisely matches the product they intend to purchase.
When selecting a supplier, particularly from a global market like China, it's crucial to vet their credentials. Look for manufacturers with established quality management systems, such as ISO certifications, and a track record of reliable supply. Communication is also key; a responsive supplier who can provide detailed technical data and answer queries promptly will be invaluable. For businesses looking to buy Propionyl-L-carnitine hydrochloride in bulk, negotiating pricing based on volume is a standard practice, making cost-effectiveness a significant consideration.
In summary, a successful procurement of Propionyl-L-carnitine hydrochloride hinges on a thorough understanding and verification of its key specifications. By partnering with reputable Chinese manufacturers who prioritize quality and transparency, buyers can confidently source this essential pharmaceutical intermediate for their critical applications.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
