ISO Manufacturer Offer Pure Natural Organic L(+)-Cysteine USP L-Cysteine High Quality L-Cysteine CAS NO.52-90-4

Product Properties

ISO Manufacturer offer pure natural organic L(+)-Cysteine USP L-Cysteine high quality L-Cysteine CAS NO.52-90-4

Product Name:L(+)-Cysteine

Other name:H-CYS-OH; H-Cys-OH; CYSH; FEMA 3263; Cystein;L-Cysteine; E 920; L-Cys; CYSTEINE; (R)-2-Amino-3-mercaptopropionic acid; CYS; Thioserine

CAS No.: 52-90-4
MF: : C3H7NO2S
MW: 121.16
Appearance: White powder.
EINECS: 200-158-2
Detection Method: HPLC
Melting point:220 °C (dec.)(lit.)

Water-soluble:280 g/L (25 ºC)

Specific rotation:8.75 º (c=12, 2N HCl)

Refractive index:8.8 ° (C=8, 1mol/L HCl)

Storage conditions:Store at RT.

Shelf life:2 years

Shaanxi Baisfu Bioengineering Co., Ltd. is an enterprise specializing in the research and development, production and sales of flavors and fragrances. The company is located in Building A, Baodeyun Valley, No. 52, Jinye 1st Road, Yanta District, Xi'an City, Shaanxi Province. It has an excellent geographical location and convenient transportation. convenient. The company was established in December 2019, with a registered capital of 3 million yuan.

The company's main products include cooling agents, synthetic flavors and natural flavors. The company's products can be used in food and beverage, daily chemical, and other industries, and have a wide range of downstream applications.

The company always attaches great importance to product quality and brand reputation, strictly implements product quality and environmental management control, and has passed various certifications such as GPM, ISO9001, ISO14001, kosher, and HALAL European analysis.

The company's products are used by more than 30 foreign companies and regions. After more than ten years of technology accumulation and market development, the company has accumulated a group of high-quality customer groups, stable customer channels and resources, and has established relationships with more than 100 domestic and foreign companies. Good working relations.

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Packing & Delivery

L(+)-Cysteine CAS No.: 52-90-4

Package: 1kg per bag with double plastic inside and aluminium foil bag outside, or 25kg per fibre drum with double plastic bag inside, or according to customers' requirement.
Storage: Store in cool & dry place. Keep away from strong light and heat.

Delivery: 1-2 working days after payment/FedEx, DHL, TNT, EMS, etc.

Detailed Description

L(+)-Cysteine CAS No.: 52-90-4

L-cysteine, also known as cysteine, is a human non-essential amino acids, amino acids are the constituent units of protein, protein is the material basis of life, ranging from human small to micro-organisms, are all composed of protein. Proteins are composed of peptides, peptide peptide chain is composed of amino acids. Different proteins are composed of amino acids in different order and length of the peptide chain. Genetically related genes are actually amino acid chains in different orders.

L-cysteine is closely related to cystine, two molecules of cysteine form a cystine. Cysteine is relatively unstable, it is easy to become cystine, cystine can also be reduced to produce cysteine. Both are sulfur-containing amino acids that have a role in the formation and detoxification of the skin.

L-cysteine is present in keratin, which is the major protein that makes up nails, toenails, skin and hair. L-cysteine can help collagen production, to maintain the skin's elasticity and texture. It is also associated with the digestive enzymes of the protein, cysteine - SH group can supply many important enzymes, such as succinate dehydrogenase, lactate dehydrogenase and so on.

Applications

L(+)-Cysteine CAS No.: 52-90-4

L-cysteine is mainly used in cosmetics, medicine, food field. In the cosmetics, for the preparation of perm, sunscreen, hair perfume and hair growth fine. In the field of medicine for the preparation of methyl cysteine, ethyl cysteine, acetylcysteine, cysteine methyl ester, cysteine ethyl ester and synthetic amino acid preparations and other drugs. Cysteine can be used as a protective drug against radiation damage. In food, L-cysteine is used as bread fermentation aids (ripening agents), antioxidants for milk powder and juice, as well as nutrients for pet food.

How to Order

1. Make sure your quantity need and Leave us message, with your mailed details shown: Including contact name, address information, contact phone, etc.
2. We send you a PI (Proforma Invoice) for price and payment detail.
3. Payment by Paypal or Western Union or T/T.
4. We arrange the delivery and update you the tracking number in time.

FAQ

Q1:Do You Accept Sample Orders?
Yes,we accept sample orders.
Q2 : What's Your MOQ?
We have no fixed requests on MOQ,it should according to Customers'actual demand.
Q3 : How To Assure The Quality Once Order Confirmed?
We have strict QC/QA management system,and Strict release procedures.
We prefer to deliver pre-shipment samples by Express Courier before shipment,or you can advise us your quality standard.
Q4 : Can We Have a Preview About The Product Quality before Our Order Despatching?
Sure,we always provide the relative Batach(s)'COA(s) before shipment.
Q5 : How Will You Deliver The Goods?
We have closed cooperation with most famous Shipping companies,Airlines,Express Couriers.
We'll suggest the best way according to your order quantity.
Q6 : What is Your Payment Terms?
We have flexible payment terms.
Q7 : What Is The Leading Time?
The leading time is different based on different quantity,we usually arrange shipment within 3-15 working
days after order confirmation.