L-Cysteine China factory CAS NO.52-90-4

Min.Order Quantity:: 25 Kilogram

Purity:: 98% min.

Port:: shanghai,beijing ,tianjin ,Qingdao Port

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

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Product Details

Keywords

L-Cysteine China factory best price
L-Cysteine high quality
L-Cysteine 98%

Quick Details

ProName: L-Cysteine China factory
CasNo: 52-90-4
Molecular Formula: C3H7NO2S
Appearance: white powder
Application: Phamaceutical Intermediates,Biochemica...
DeliveryTime: within 7 working days
PackAge: 25kg/bag
Port: shanghai,beijing ,tianjin ,Qingdao Por...
ProductionCapacity: 1000 Metric Ton/Day
Purity: 98% min.
Storage: Sealed Storage
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

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

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