99% CAS No 56-45-1 Factory Supply L-Serine with ISO
China 99% CAS No 56-45-1 Factory Supply L-Serine with ISO, Find details about China L-Serine, L-Serine Supplier from 99% CAS No 56-45-1 Factory Supply L-Serine with ISO
L-Serine is one of the naturally occurring proteinogenic amino acids. Its codons are UCU, UCC, UCA, UCG, AGU and AGC. Only the L-stereoisomer appears naturally in proteins. It is not essential to the human diet, since it is synthesized in the body from other metabolites, including glycine. Serine was first obtained from silk protein, a particularly rich source, in 1865. Its name is derived from the Latin for silk, sericum. Serine's structure was established in 1902. By virtue of the hydroxyl group, serine is classified as a polar amino acid.Serine (abbreviated as Ser or S) is an organic compound with the formula
The biosynthesis of serine starts with the oxidation of 3-phosphoglycerate to 3-phosphohydroxypyruvate and NADH. Reductive amination of this ketone followed by hydrolysis gives serine. Serine hydroxymethyltransferase catalyzes the reversible, simultaneous conversions of L-serine to glycine (retro-aldol cleavage) and 5,6,7,8-tetrahydrofolate to 5,10-methylenetetrahydrofolate (hydrolysis).
L-Serine CAS NO 56-45-1 specification
| Product name | L-Serine |
| CAS NO. | 56-45-1 |
| Form | white crystal powder |
| Specification | 99% |
| Place ofOrigin | Hebei,China(Mainland) |
| Shelf life | 2 years |
CERTIFICATION
COMPANY SHOW
Hebei Guanlang Biotechnology Co., Ltd. Was founded in 2007, located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation. Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.
Our company has strong technical strength, advanced equipment, strict quality management system and high-quality after-sales service, adhers to the "customer first and forge ahead" business philosophy and insists on integrity as the company's survival. All for the customers' satisfaction, all for the long-term healthy development of the enterprise. In the past 10 more years, we have been strictly managing the whole trade process, focusing on every detail, providing customers with all-round services such as product purchase, R & D, quality control, logistics management and so on, and become reliable cooperation company and partner for our clients. Nowadays We formed large varieties, large scale, complete categories, refined degree, added value and high technology content product chain. There are several series including pharmaceutical products, food grade additives, industrial grade, fertilizer grade and mineral products.
In recent five years, the company has implemented the strategy of "going out" vigorously. We has established our branches in Hubei China, Vietnam and Mexico, making our market and sales network more and more perfect. Our company will continue to adhere to the strategic positioning of fine chemical industry in the future and competition ideas of irreplaceable product differentiation, and strive to become to the leading of Chinese chemical industry.
As a way to use the resource on the expanding information in international trade, we welcome prospects from everywhere on the web and offline. In spite on the high quality items we offer, effective and satisfying consultation service is supplied by our qualified after-sale service group. Item lists and detailed parameters and any other information will be sent to you timely for the inquiries. So please make contact with us by sending us emails or call us when you've got any questions about our organization.
Guanlang also supply various industrial chemicals for customers. After ten years development, GuanLang has become a Diversified development companySo far, GuanLang has business in more than 50 countries, most big customers come from Europe and America, because among thesuppliers in China, GuanLang can always make the product quality best, some of the products from GuanLang can reach the purity of 99.9+. This is the important reason for customers who choosing GuanLang. In the future, GuanLang must become a more important trade bridge for China and foreign countries especially in pharmaceuticalindustries.
Q1:Are you a manufacturer?
A: Yes, we are factory founded on 2003.
Q2:Which kind of payment terms do you accept?
A: For small order,you can pay by T/T,Western Union or Paypal,bulk order by T/T to our company account.
Q3:Will you supply samples for test the quality?
A: Free samples for the quality evaluation for most products, but customers only need to undertake the shipping fee for delivery the samples to your destionation.
Q4:What's your MOQ?
A: For the high value product, our MOQ starts from 10g,100g and 1kg.
Q5:Is there a discount?
A: Yes, for larger quantity, we always support with better price.The more you order,the cheaper.
Q6.Which transportation do we use?
A:Samples could be DHL, UPS, TNT, EMS, Fedex, and so on. For mass orders, it will be delivered by air or sea.
Q7:Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed.
Q8:How about your delivery time?
A: Generally, it will take 3 to 5days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Depending on your location, please allow 3-5 business days for your order to arrive.
For small order, please expect 3-7 days by DHL FEDEX EMS.
For mass order, please allow 5-8 days by Air, 15-30 days by Sea.
Q9:What is your package?
A:Powder: PE bag, glass bottle or PTFE bottle for inner packing, and aluminium foil bag for outer packing.
Liquid: glass bottle or PTFE bottle for inner packing, and aluminium foil bag for outer packing.
Bulk order: Fiber drum or steel drum.
Q10:How should I keep the products?
A: Storage: Store in cool & dry place, keep away from strong light and heat.
Q11:How does your factory control quality?
A: All the raw material purchasing and production quality control are strictly following the ISO9001: 2008 management system. Besides, the full-featured detection equipment and GMP quality management system to provide the strongest guarantee for high quality product. We can provide our customers the detailed test report for the quality evaluation before the sample.
Q12:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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