Sell l-cystine @China (Mainland)

Name:L-Cystine

1.Cas no.:56-89-3

2.White crystal or crystalline powder; tasteless 

3.Assay 98.5~101.0 %

Properties:White crystal or crystalline powder, odorless, flavorless, almost insoluble in water or ethanol, soluble in diluted acid or basic hydroxide solutions.

Specific rotatory power[] D20 -215o -225o 

Clarity 98.0% 

Ammonium salt[NH4] 0.02% 

Chloride[CL] 0.02% 

Residue on ignition 0.10% 

Sulfate[SO4] 0.02% 

Iron salt[Fe] 10 ppm 

Heavy metal[Pb] 10 ppm 

Arsenic salt 1 ppm 

Other amino acid Color layer can not be checked out. 

Loss on drying 0.20% 

Content 98.5 -101.0% 

Use:Used in biochemical research, nutrient; cure congenital cystinuria etc..

Storage:Stored in sealed container at room temperature.

Our advantage:
1. Rich experience.
We specialize in this field for many years, our steroids and hormones exported to Overseas, to Europe, Africa, Asia and Americas and so on other country, and we have got very good feedback from our customers, and had Established long friendly relations of cooperation.
2. Great quality, purity and favourable.
Good quality is one of our secret success, welcome order the samples, MOQ just 10 grams.
3. Safest and fastest delivery.
We have Adequate stock, and can delivery quickly at the very day when receive the payment.
We have special way could ship 0.01 kilo to 3.5 kilo products a time. We offer melting powder into liquid service. And ship the liquid in special bottles.
4. Good after-sales service.
Tell the package update ASAP, and will try best solve when customer encountered various.

 

Email:sales09@ycphar.com

Skype:vincyzwq93