- Overview
- Product Description
- Basic Info.
- Application
- Packaging & Shipping
- Company Profile
- Our Advantages
- After Sales Service
- FAQ
Basic Info.
Product Description
Tetramethylpyrazine, also known as ligustrazine, is an antiinflammatory compound isolated from the fermented food natto. It demonstrated in vivo nootropic activity in rats.
| Melting point | 77-80 °C(lit.) |
| Boiling point | 190 °C(lit.) |
| density | 1.08 |
| FEMA | 3237 | 2,3,5,6-TETRAMETHYLPYRAZINE |
| refractive index | 1.5880 (estimate) |
| Fp | 128-130°C/200mm |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 4g/l |
| pka | 3.20±0.10(Predicted) |
Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. Main products are cas: 6080-56-4, 2-phenylacetamide (cas103-81-1), After many years of efforts, we have established stable and friendly business relations with dozens of European and American pharmaceutical companies, multinational chemical companies and importers.
1) Timely communication, reply within 12 hours.You can leave any messages on our whatsapp or send email to us.
3)Reasonable and competitive price.
4) Free sample for your evaluation.Customers only need to undertake the shipping fee for delivery the samples to your destionation.
5)OEM/ODM Available.Trial order is available for testing after samples.
6) Packaging can be customized according to each buyers' special request.
We guarantee that your package will pass 100% through the Mexico US, UK, Australia, Netherlands, Canada, France, Germany, Spain, Belgium, Sweden, Poland, Russian, Ukraine, Kazakhstan, Czech Republic, Slovakia, Portugal.
1)Best quality in your requirement
2)Competitive price in china market
3)Mature technical support
4)Professional logistic support
5 )Full experience of large numberscontainers loading in chinese sea port
6 )Fast shipment by reputed shipping line
7) Packing with pallet as buyer's special request
8) Best service after shipment.
9) Cargoes together with container after-sales service available
10) Full experience in export
11)Raw materials from chinese origin
Q:How can I get the price?
A:We usually quote within 24 hours after we get your inquiry.
If you are very urgent to get the price, please email us or contact us in other ways so that we can offer you a quote.
Q:What is the way you ship?
A:Express: FedEx, UPS, EMS, DHL, USPS, TNT, DPD, Aramex etc
Our way of shipping the products is universal and secure.
The company name and other contents related to pharmacy are not written on the package slips.
The way of packing is regularly changed for a secure delivery.
The packages are small in order to avoid unwelcomed questions . If the order is big, then it will be divided into two or more packages.
Usually we can ship within 7-15 days for small quantity,and about 25 days for large quantity.
Q: Can the packages be trackable?
A :YES, we provide tracking number and you can track on internet.
Q: Where do you ship to?
A :Worldwide.
Usually we can ship within 7-15 days for small quantity,and about 25 days for large quantity.
A :Yes we can ship to USA/UK/Canada/Australia/Germany etc warehouse first then to you.
Q: Do you ensure your packing , what about customs, what happens if the package is retained?
A :We concern a lot about our safety system, we pack the orders as secure as possible. If a package is seized at customs, reships of seized orders will be done provided you have a copy of the letter to show us. If you receive a seizure letter, please contact us immediately with a scanned copy of the seizure letter, and also a new address to have your order reshipped to.
Q: What is your payment term?
A :Bitcoin
Western Union
Bank wire
MoneyGram
Q: How do you make our business long-term and good relationship?
We respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.