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High Purity L Cystine 99% L-Cystine Powder CAS 56-89-3

Trademark
YHY
Origin
China
HS Code
2930909190
Production Capacity
5000ton/Year
Reference Price
$ 13.50 - 22.50
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Product Description

Product Description
Product Specifications
L-Cystine
USA Index
AJI92
FCCV
Assay
98.5-101.5%
98.5-101.0%
98.5-101.5%
PH
/
5.0-6.5
/
Specific rotation[a]D20
-215°--225°
-215°--225°
-215°--225°
Specific rotation[a]D25
/
/
/
Transmittance(T430)
/
≥98.0%
/
Chloride(Cl)
≤0.02%
≤0.02%
/
Ammonium(NH4)
/
≤0.02%
/
Sulfate(SO4)
≤0.02%
≤0.02%
/
Iron(Fe)
≤10PPM
≤20PPM
/
Heavy metals(Pb)
≤10PPM
≤10PPM
≤5PPM
Arseni
/
≤1PPm
/
Other amino acids
individual impurities≤0.2% total impurities≤2.0%
conform
/
Ninhydrin-positive substances
/
/
/
Loss on drying
≤0.20%
≤0.20%
≤0.20%
Residue on ignition
≤0.10%
≤0.10%
≤0.10%
 
Detailed Photos
High Purity L Cystine 99% L-Cystine Powder CAS 56-89-3
High Purity L Cystine 99% L-Cystine Powder CAS 56-89-3

L(-)-3,3-Dithiobis(2-aminopropanoic acid); L-Cystine, synthetically derived; (H-Cys-OH)2 (Disulfide bond); (H-Cys-OH)2;H-(Cys)_2-OH; (-)-3,3-Dithiobis(2-aminopropionic acid); 2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid; L-Cystine,food grade; Cystine; (2R,2'S)-3,3'-disulfanediylbis(2-ammoniopropanoate); Dicysteine

CAS No: 56-89-3
Molecular Formula:6H12N2O4S2
Molecular Weight: 240.3

Packaging & Shipping
High Purity L Cystine 99% L-Cystine Powder CAS 56-89-3
High Purity L Cystine 99% L-Cystine Powder CAS 56-89-3

Packed in 25kg inner plastic and aluminum bags and outer cardboard barrels.

Customized according to customer requirements
Company Profile
Shandong Yihuiyang New Material Technoligy Co.,Ltd is specialized in chemicals raw materials. Our company has a group of professionals engaged in chemical management, production, research and development, trade, control and operate all aspects of production in order to achieve the perfect combination of social responsibility, employee health, environmental protection and product quality. Now the products are exported to more than 30 countries and regions such as the United States, Russia, Netherlands, India, Australia, etc., and enjoy high reputation and popularity in the world. Our company has developed rapidly and became a one-stop buyer and service provider for many customers around the world. In the face of more opportunities and challenges in the future, we will be more innovative and pragmatic, and make unremitting efforts.

 

FAQ

1.How can I get the price?

 
-We usually quote within 24 hours after we get your inquiry.
-If you are very urgent to get the price, please email us or contact us in other ways so that we can offer you a quote.
 
2.What is your lead time?
-It depends on the order quantity and the season you place the order.
-Usually we can ship within 7-15 days for small quantity,and about 25 days for large quantity.
 
3.What is your payment term?
T/T, L/C at sight
 
4.What is the shipping method?
-It could be shipped by sea,by air or by express(EMS,UPS,DHL,TNT,FEDEX and ect). Please confirm with us before placing orders.
 
5.How do you make our business long-term and good relationship?
 
-1. We keep good quality and competitive price to ensure our customers benefit ;
-2. We respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.

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