Supply Synthesis Material Good Price CAS No 2453-03-4 99%1,3-Dioxan-2-one(2453-03-4)

Description:

• Trimethylene carbonate1,3-Dioxan-2-one Quick Details

  Chemical Name: trimethylene carbonate1,3-Dioxan-2-one

  CAS No.: 2453-03-4

  Molecular Formula: C4H6O3

  Molecular weight: 102.09

  Appearance: White crystal

  Assay: 99.0%min

  Trimethylene carbonate1,3-Dioxan-2-one Typical Properties

  Item	Standard
  Appearance	White crystal
  Melting point	45-47ºC
  Water content	Max 0.4%
  Free acid	Max1%
  Heavy metals	Max 5 ppm
  Density	1.25g/cm3
  Sulfate ash	Max 0.05%

  
  

  
  

  We provide Custom Peptide Synthesis with modifications from lab scale to pilot scale and Commercialization. Production capacity is from milligram to multi-kilograms.

  
  

  
  

  Q : What is your terms of payment?

  A : T/T 30% as deposit, and 70% before delivery or 100% L/C at sight.
  Q : How to confirm the Product Quality before placing orders?
  A : You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

  Q : How about the delivery time?
  A : Within 7 days after payment confirmation. (excluding Chinese holidays)

  Q : What documents did you provide?
  A :We usually provide commercial invoice, packing list, shipping list, waybill, health certificate and certificate of origin. If
  there are any special requirements in your market, please let us know.Some technical paperwork is available, such as COA, HNMR, HPLC, LC-MS etc.

  Q: How do you deal with quality complaints?
  A : First of all, our quality control will ensure our quality. If we cause real quality problems, we will once again provide good
  products or refund your losses.

  Q : How do you make our business long-term and good relationship?
  A : 1. We keep good quality and competitive price to ensure our customers benefit;
  2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from

  Q  : Do you have stock?
  A: Yes, we have all our products in stock. Our annual output is 200 tons. No matter when you order, we will ship within 1 to 3 days.
  Q  : Why should I choose you?
  A: Powerful technical support-come from our highly skilled & fully experienced staff, working in chemical industry for over
  5years, in average.Strict quality control-comes form our sophisticated management system.Professional and warm sales team-since we
  believe we can only win via our hard work in a competitive worldQuick response and excellent presale and after sale service-since
  we believe our customers deserve all the best service.
  Q  : Can I get best price from you?
  A: Of course. We don't chase excessive profits and alway

  

   

CaoQuan Technology Co., Ltd., located in ChangSha City, HuNan Province, is a high-tech enterprise focusing on the research, development and production of peptide products. The company was established in recent years and is committed to applying advanced biotechnology to the health industry to meet the market's demand for high-quality, high-efficiency peptide products.

As a leading peptide manufacturer,CaoQuan  Technology has a R&D team composed of senior scientists and engineers, which continues to explore and innovate, and is committed to developing safer, more effective, and more market-competitive peptide products. The company's main products cover but are not limited to pharmaceutical grade, food grade and cosmetic grade and other fields, and are widely used in many aspects such as health care, disease prevention, beauty and skin care.

In terms of production technology,CaoQuan  Technology adopts internationally advanced production equipment and technology to ensure that every aspect of the product, from raw material selection, production and processing to finished product packaging, strictly follows relevant national standards and specifications to ensure product quality and safety. At the same time, the company has also established a complete quality management system and after-sales service system to provide

• High Purity (≥98%) – Strictly tested, consistent quality.

•  Flexible Packaging Options – 10mg/vial, bulk available.

• Trusted by Global Buyers – Stable supply, fast delivery.

packaging and shipping

Suitable packaging:
The packing suits you best would be choosen to cross customs safely. Or if you have your own ideal way, it could be also taken in consideration

Secure shipping:
Shipping by professional forwarder Security EMS/DHL/TNT /FedEx/UPS, Aus Post, Royal Mail express,etc. Door to door service.

Competitive prices:
A discount would be given when you make a large order. VIP price for next orders.