CAS497-30-3 L-(+)-Ergothioneine C9H15N3O2S highcustumer satisfaction CAS NO.497-30-3

Company Profile

Yiwu Demei Electronic Commerce Firm is a dynamic and innovative enterprise specializing in the research, manufacturing, and distribution of high-quality pharmaceutical ingredients and organic compounds. With a firm commitment to advancing the global pharmaceutical industry, we dedicate ourselves to facilitating the export of Chinese pharmaceutical products worldwide. Our extensive product portfolio has garnered recognition in key markets, including the UK, Germany, Australia, the Netherlands, Poland, Russia, Kazakhstan, the Philippines, Malaysia, Singapore, and numerous other regions. Embracing the principles of integrity and transparency, we prioritize building trustworthy relationships with our clients, ensuring mutual success and long-term partnerships.

Shipping 

Orders placed before 17:00 from Monday to Friday will generally be shipped from the factory to the freight forwarder on the same day (generally not shipped on weekends), and will arrive at the freight forwarder in about three to four days.
The freight forwarder will issue an international tracking number on the day or the next day of arrival.
Depending on the country, we will use different shipping methods. Generally, dedicated lines, logistics and postal services are the main ones, and some will ship to DHL, Fedex, UPS, etc.
Air and sea transportation are the main ones, supplemented by truck transportation and truck transportation. Our transportation is almost all door-to-door services, completing customs clearance between the exporting country and the importing country, except for special circumstances in some countries or regions.

Factory & Warehouse

Our factory has a stable annual output of 50,000 tons of raw materials all year round. The production chain and sales chain continue to be saturated. Our warehouse has a large reserve of powder and liquid stocks. We welcome people from all walks of life to support and cooperate.
 

 Packing

Our Advantages

Be responsible for quality complaint,0 quality issue in our past dealings

Hundreds of products in different levels for your option

Any inquiries will be replied within 12 hours

Strictly on selecting raw materials

Reasonable & competitive price, punctually delivery

FAQ

Q: How can I get the samples?
A: For some products,we can provide you with free off the shelf samples.You just need to pay for delivery.
Q: Can you provide relevant documents?
A: Of course.We can provide commercial invoice,packing list,bill of lading etc.If your market has any special requirements,just let me know.
Q: Are you a manufacturer or a trader?
A: We are an integrated company of industry and trade. We have our own factory and our own foreign trade department, with more than ten years of industry experience.
Q: What is the minimum order quantity?
A: Different products have different minimum order quantities. Generally, the minimum order quantity is one kilogram of samples. For a few ultra-high value products, the minimum order quantity is 1g.
Q: What payment methods are available?
A: Our payment methods include , MoneyGram, Alibaba,Alipay and many other methods.
Q: How long does the delivery usually take?
A: Under normal circumstances, the goods will be shipped on the same day or the next day after payment is made. It takes about three days for the goods to arrive at the freight forwarder. The international tracking number will be issued on the same day or the next day when the product arrives at the freight forwarder. Due to different countries, the transportation time also varies, which ranges from 7 to 25 days. , please consult customer service for specific time.
Q: what services can we provide?
A: Since the products are mass-produced, customized products, customized purity, and customized packaging are not supported.

Product Description

3,4-Dimethylbenzaldehyde (3,4-DMB) is a benzaldehyde derivative. It is the OH radical initiated oxidative degradation product of trimethylbenzene. The rate coefficient of the gas-phase reaction between 3,4-DMB and OH radical is 24.6±4.0×10-12cm3molecule-1s-1. The vibrational analysis of 3,4-DMB based on FT-IR spectra, FT-Raman spectra, ab initio and density functional theory (DFT) calculations have been reported. It is formed as an intermediate during the transformation of furfural into gasoline-range fuels using ZSM(Zeolite Socony Mobil)-5-based catalysts

Product Application   

N/A

Product Specification

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