Hot sale high quality l- cystine China CAS NO.52-90-4

Min.Order Quantity:: 25 Kilogram

Purity:: 98.5%

Port:: shanghai,beijing ,tianjin ,Qingdao Port

Payment Terms:: L/C,D/A,D/P,T/T

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Product Details

Keywords

Hot sale l- cystine China
l- cystine high quality
99.8% l- cystine

Quick Details

ProName: Hot sale high quality l- cystine China
CasNo: 52-90-4
Molecular Formula: C3H7NO2S
Appearance: White Powder
Application: 1. Used in biochemistry and nutrition ...
DeliveryTime: within 7 working days
PackAge: 25kg/bag
Port: shanghai,beijing ,tianjin ,Qingdao Por...
ProductionCapacity: 1000 Metric Ton/Day
Purity: 98.5%
Storage: in cool and dry place, away from sun ...
LimitNum: 25 Kilogram

Superiority

1) we are the sales represntative of the factory who produce this products . .

2) we are dealing in this field for more than ten years . we have experience to handle this

3) we have a laboratory which is fda approved can test the materials before export ,so we can gurantee you the quality

4) payment terms : we can accept t.t ,dp ,lc 60 days . more flexible .

5)we enjoy a good reputation in china and international market ,so you can trust us

Details

packaging & delivery

packaging detail:	25kgs/drum inner double plastic bags
delivery detail:	7days after order confirmation

specifications

small moq;
high quality gurantee;
prompt delivery;
professional service.

specification:

l-cysteine
best quality&high purity
assay: 98%
stable supply and prompt delivery

analysis	specification
appearance	white crystals or crystalline powder
identification	infrared absorption spectrum
specific rotation[α]d20°	+8.3°~+9.5°
state of solution(transmittance)	95.0%min
chloride(cl)	0.040%max
ammonium(nh4+)	0.020%max
sulfate(so4)	0.030%max
iron(fe)	10ppmmax.
heavy metals(as pb)	10ppmmax.
arsenic(as2o3)	1ppmmax.
other amino acids	conforms
loss on drying	0.5%max.
residue on ignition	0.1%max
assay	98.0%-101.0%
ph	4.5-5.5

application:

food grade: flour improver, nutritional supplement, antioxidants

medicine grade: in pharmacy, cysteine is used in the treatment of radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and can prevent liver degeneration

1. used in biochemistry and nutrition research, and has the function of promoting cell oxidation and reduction of the body in pharm, increase the white blood cells and preventing the development of pathogenic bacteria and so on. mainly used for all kinds of hair loss. it is also used in acute infectious diseases, such as dysentery, typhoid fever, influenza, asthma, neuralgia, eczema, and various kinds of toxic diseases, etc., and has the function of maintaining the structure of protein. also used as a food flavoring agent.
2. also is an important component of amino acid infusion and compound amino acid preparation.
3. as feed nutritional supplements, in favor of conducive to the development of animal, and increase body weight and liver and kidney function, improve the quality of fur.
4 .used as a cosmetic additive, can promote wound healing, prevent skin allergies and the treatment of eczema and other effects.

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