| Customization: | Available |
|---|---|
| Type: | L-Cystine |
| Chemical Character: | Alkalinity |
|
Still deciding? Get samples of US$ 0/kg
Request Sample
|
Suppliers with verified business licenses
1. Food field
It is a nutritional supplement and flavoring agents. Used for milk powder. Dough thews strengthening agent, used in baked goods (yeast leavening agent), and ferment powder.
2. Medicine field
Medicine to promote wound healing. Treat skin allergy, antidote, hematopoietic agent, etc.
3. Feed field
As a Feed nutrition enhancer. Conducive to the upgrowth of animal, increase weight and kidney function, improve the quality of fur.
4. Cosmetic field
It is a natural skin whitening Product. It is a kind of ideal natural whitening cosmetics.
Product name: L-Cystine Powder
Grade: Food Grade.
Appearance: White Powder
Cas No.: 56-89-3
Molecular formular: C6H12N2O4S2
Molecular weight : 240.29
Purity: 98.0 ~ 102.0%
L-Cystine, also known as cystine, is an oxidized union of two molecules of simpler forms. The cysteine amino acid links two cysteine residues with a bond that pertains to amino acids.Cysteine and cystine are very similar. One can turn one into the other and vice versa. Cystine acts as an antioxidant and prevents radiation in skeletal tissues and skin.
|
Items
|
Specifications
|
|
Appearance
|
White crystals or crystalline powder.
|
|
Specific rotation [a]o20
|
-215°~-225°
|
|
State of solution
|
≥98.0%
|
|
Chloride
|
≤0.020%
|
|
Ammonium
|
≤0.02%
|
|
Sulfate
|
≤0.020%
|
|
Iron
|
≤20ppm
|
|
Heavy metals
|
≤10ppm
|
|
Other amino acids
|
≤0.2%
|
|
Loss on drying
|
≤0.20%
|
|
Residue on ignition
|
≤0.10%
|
|
Assay
|
98.5~101.0%
|
|
pH
|
5.0~6.5
|
| Product Name | Product Name | Product Name |
| L-Methionine 63-68-3 | D-Methionine 348-67-4 | DL-Methionine 59-51-8 |
| L-Threonine 72-19-5 | D-Threonine 632-20-2 | DL-Threonine 80-68-2 |
| L-Tryptophan 73-22-3 | D-Tryptophan 153-94-6 | DL-Tryptophan 54-12-6 |
| L-Isoleucine 73-32- 5 | D-lsoleucine 319- 78-8 | DL-lsoleucine 443-79-8 |
| L-Valine 72-18-4 | D-Valine 640-68-6 | DL-Valine 516-06-3 |
| L-Lysine 56-87-1 | D-Lysine 923-27-3 | DL-Lysine 70-54-2 |
| L-Lysine Hcl 657-27-2 | D-Lysine Hcl 7274 -88-6 | DL-Lysine Hcl 70-53-1 |
| L-Alanine 56-41-7 | D-Alanine 338-69-2 | DL-Alanine 107-95-9 |
| L-Aspartic Acid 56- 84-8 | D-Aspartic Acid 1783- -96-6 | DL-Aspartic Acid 617-45-8 |
| L-Malic acid 97-67-6 | D-Malic Acid 636-61-3 | DL-Malic Acid 6915-15-7 |
| L-Phenylalanine 63-91-2 | D-Phenylalanine 673-06-3 | DL-Phenylalanine150-30-1 |
| L-Serine 56-45-1 | D-Serine 312 -84-5 | DL-Serine 302-84-1 |
| L-Arginine 74-79-3 | D-Arginine157-06-2 | L-Arginine Hcl 1119-34-2 |
| L-Proline 147-85-3 | D Proline 344- 25-2 | DL-Proline 609-36-9 |
| L-Tyrosine 60-18-4 | D-Tyrosine 556-02-5 | DL-Tyrosine 556-03-6 |
| L-Leucine 61-90-5 | D-Leucine 328-38-1 | DL-Leucine 328-39-2 |
| L-Cysteine 52-90-4 | D-Cysteine 921-01-7 | DL-Cysteine 3374- 22-9 |
| L-Citrulline 372-75-8 | N-acetyl-L-cysteine 616-91-1 | DL-Citrulline 627-77-0 |
| L-Glutamic Acid 56- -86-0 | N-acetyl-L-leucine 1188-21-2 | DL-Glutamic Acid 617-65-2 |
| L-Norvaline 6600 -40-4 | N-acetyl-L-tyrosine 5537-55-3 | DL-Norvaline 760-78-1 |
| L-Histidine 71-00-1 | Acetyl L-Carnitine 5080-50-2 | D-Citrulline 13594-51-9 |
| L-Glutamine 56- 85-9 | N-acetyl-L-alanine 97-69-8 | D-Glutamic Acid 138-16-9 |
| L-Glycine 56- -40-6 | N-acetyl-L-carnosine 56353-15-2 | D-Norvaline 2013-12-9 |
| L-Pyroglutamic acid 56-86-0 | Citrulline Malate 54940-97-5 | L-Carnitine 541-15-1 |
| L-Asparagine 70-47-3 | Ornithine Aspartate 3230-94-2 | L-Carnosine 305 -84-0 |
| L-Theanine 3081-61-6 | Arginine Aspartate7675-83-4 | L- Hydroxyproline 618-27-9 |
){kind=link}