L-Cysteine/ CYS/ L Cysteine Powder CAS 52-90-4 CAS NO.52-90-4

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integrity, mutual benefit, service" business philosophy, create value for customers continuously, and grow with our customers and suppliers together.

"Quality Best, Customer First" is what we adhering, we sincerely welcome friends both at home and abroad to visit our company and hope to achieve win-win cooperation with you!

L-Cysteine/ CYS/ L Cysteine Powder CAS 52-90-4

 

Products Description

Supply Best Price 99% Purity CAS 52-90-4 L-Cysteine Powder
Product name	L-Cysteine
CAS no.	52-90-4
Molecular Formula	C3H7NO2S
Molecular Weight	121.16

L- cysteine, also known as cysteine, is a non-essential amino acid of human body. Amino acid is the constituent unit of protein, which is the material basis of life, from human to microorganism. Proteins are composed of peptides, and peptide chains of peptides are composed of amino acids. Different proteins are composed of peptide Chemicalbook chains composed of amino acids with different sequences and lengths. Genes related to heredity are actually amino acid chains with different sequences.

 

L- cysteine is closely related to cystine, and two molecules of cysteine make up one molecule of cystine. Cysteine is unstable, so it can easily become cystine, and cystine can be reduced to form cysteine again. These two kinds of amino acids are sulfur-containing and have effects on skin formation and detoxification..

1.Bread improver; Nutritional supplements; Antioxidants; Color fixative. It has detoxification effect on acrylonitrile and aromatic acidosis; It can prevent radiation damage. It has the functions of treating bronchitis and eliminating phlegm by Chemicalbook. It can absorb alcohol and convert it into acetaldehyde in the body. According to GB2760-96, it must be used for spices.

2.It is used to treat skin diseases such as eczema, urticaria and freckles, and its series of products are widely used in
medicine, food and cosmetics industries.

3.Used in biochemical research, and used as antidote for hepatitis, liver poisoning, radioactive drug poisoning, antimony poisoning, etc.

 

1. L-Cysteine has an effective detoxification.

2. L-Cysteine can effectively prevent and treat radiation injury.

3. L-Cysteine can remove the skin melanin itself, change the nature of the skin itself, the skin becomes natural whitening. It is
a kind of ideal natural whitening cosmetics.

4. L-Cysteine can improve the symptoms of inflammation and skin allergies.

5. L-Cysteine on horny skin disease is also effective hypertrophy.

6. L-Cysteine has a function to prevent biological aging.

Items	Specifications	Results
Appearance	White crystals or crystalline powder	White crystalline powder
Assay	98.0%~101.0%	99.5%
pH value	4.5~5.5	4.72
State of solution (Transmittance)	≥95.0%	99.6%
Loss on drying	≤0.5%	0.21%
Residue on ignition	≤0.1%	0.06%
Sulfate	≤0.030%	<0.030%
Ammonium	≤0.02%	<0.02%

Packaging	1kg-15kg packing	2 PE bag inside + 1 foil bag outside in carton
	25kg-50kg packing	2 PE bag inside + 1 foil bag outside in drum
	Other packing	Customized packing
Drum Size	D38cm*H60cm or customized, 25 kg/ drum
Shipping	1-50kg	International Express	Fast and convenient	Door to Door
	50-500kg	Air Transportation	Fast and cheap	To Air Port
	Above 500kg	Sea Transportation	Cheap and convenient	To Port

 

 

 

Q1: How to contact with us

Whatsapp us or send us e-mail, you will get reply within 24 hours. Please contact us without hesitation.

Q2: Which kind of payment terms do you accept

We support multiple trading methods and payment such as T/T, L/C, D/A, D/P, O/A, MoneyGram, Credit Card, PayPal, , Escrow and etc. Please contact us if you need more info.

Q3: How can i get a sample

Yes, you can get free samples for some products, but the shipping cost would be paid by customers.

Q4: How to confirm the Product Quality before placing orders

You can get some sample, or we can send certificate of analysis or HPLC or NMR to you.

Q5: How to guarantee the quality of your products

Strict sampling inspection on products before shipment and intact product packaging ensured.

Q6: How can I make payment safe

The whole transaction is under Third party inspection.

Q7: Whether you could make our brand on your products

Yes. We can print your Logo on the packages if you can meet our MOQ.

 

1.Best quality with competitive price.

2.Quick shipping,delivery on time.

3.Trade Assurances

4. Support multiple trading methods and payment. We support wire transfer, , Paypal payment.

5.One to one business communication

6.OEM/ODM Available.

7.We offer convenient one-station purchasing service.Our professional and thoughtful after-sales service eliminates your worries.

8. We has many years’ exporting experience in active pharmaceutical ingredient products, strictly on selecting raw materials

9.Our distribution capabilities include:

Flexible deliveries, intelligent solutions

Anything from bulk shipments of thousands of tonnes down to the smallest shipment of packed goods and even samples.

Bulk - storage and transport of powders and liquids – movement of goods in ships - powders and bulk liquids

Pharmaceutical, feed and food storage to accredited standards

Segregated materials by business unit and hazard classification

Temperature controlled storage and transport

Effective cost control

Re-packing, drum filling, bagging

Customer delivery KPI's on delivery fulfillment performance