- humatech@huminrichs.com
- HUMINRICH GROUP ( Since 2002 )
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L-Cysteine Cas 52-90-4
L-cysteine is an isomer of cysteine. L-cysteine base is an alkaloid. L-cysteine base is mostly used in medicine and is also an additive. Cysteine is white crystal or crystalline powder, soluble in water, slightly odorous, insoluble in ethanol, and insoluble in organic solvents such as ether. Melting point 240℃, monoclinic crystal system. Cysteine is one of the sulfur-containing amino acids and is a non-essential amino acid. In the body, the sulfur atom of methionine is replaced with the hydroxyl oxygen atom of serine, and is synthesized through cystathionine. Starting from cysteine, glutathione can be generated. glycopeptide. Cysteine is stable to acid, but is easily oxidized to cystine in neutral and alkaline solutions.
Catalog of Amino acid (basic, protected, derivatives)
20240411
|
Type |
Model No. |
Chemical Name |
CAS No. |
Standard |
|
DL Amino Acid Series |
XFA2053-1 |
DL-Methionine |
59-51-8 |
EP8.0 |
|
L Amino Acid Series |
XFA2016-1 |
L-Lysine HCL |
10098-89-2 |
USP |
|
L Amino Acid Series |
XFA2050-1 |
Glycine |
56-40-6 |
USP40 |
|
/ |
XFA2051-1 |
Glycine Hydrochloride/Glycine HCl |
6000-43-7 |
In house |
|
L Amino Acid Series |
XFA2052-1 |
L-Threonine |
72-19-5 |
USP40 |
|
L Amino Acid Series |
XFA2055-1 |
L-Glutamine |
56-85-9 |
FCC |
|
L Amino Acid Series |
XFA2056-1 |
L-Arginine |
74-79-3 |
USP32 |
|
L Amino Acid Series |
XFA2057-1 |
L-Tyrosine |
60-18-4 |
USP32 |
|
L Amino Acid Series |
XFA2058-1 |
L-Proline |
147-85-3 |
USP36 |
|
L Amino Acid Series |
XFA2059-1 |
L-Tryptophan |
73-22-3 |
USP32 |
|
L Amino Acid Series |
XFA2061-1 |
L-Isoleucine |
73-32-5 |
USP24 |
|
L Amino Acid Series |
XFA2062-1 |
L-theanine |
3081-61-6 |
In house |
|
L Amino Acid Series |
XFA2054-1 |
L-Cysteine |
52-90-4 |
AJI92 |
|
L Amino Acid Series |
XFA2054-2 |
L-Cysteine Hydrochloride Anhydrous |
52-89-1 |
AJI97 |
|
L Amino Acid Series |
XFA2054-3
|
L-Cysteine Hydrochloride Monohydrate |
7048-04-6 |
AJI92 |
|
N-acetyl amino acids |
XFA2060-1 |
NAC N-Acetyl-L-Cysteine |
59587-09-6 |
AJI92 |
|
N-acetyl amino acids |
XFA9001-19 |
NATCA / N-Acetyl Thiproline |
|
In house |
|
Type |
Model No. |
Chemical Name |
CAS No. |
Standard |
|
|
XFA2201-1 |
Taurine |
107-35-7 |
USP36 |
|
|
XFA2202-1 |
L-Carnitine base |
541-15-1 |
In house/ USP43 |
|
|
XFA2203-1 |
GABA/ γ-aminobutyric acid |
56-12-2 |
In house |
|
Type |
Model No. |
Chemical Name |
CAS No. |
Standard |
|
Chelated Series |
XFA2301-1 |
Ferrous bisglycinate |
20150-34-9 |
In house |
|
Chelated Series |
XFA2302-1 |
Zinc Bisglycinate /Glycine zinc |
14281-83-5 |
In house |
|
Chelated Series |
XFA2303-1 |
Calcium Bisglycinate |
35947-07-0 |
In house |
L-Cysteine
|
Appearance |
White Crystallin powder |
|
Test Standard |
AJI92 |
|
Assay |
98.5%-101.5% |
|
Loss on drying, % |
≤0.5 |
|
Residue on Ignition,% |
≤0.1 |
|
Chloride,% |
≤0.1 |
|
Heavy metals, ppm |
≤ 10 |
|
Iron，ppm |
≤10 |
|
As, ppm |
≤1 |
|
NH4,% |
≤0.02 |
|
Sulfate ,% |
≤0.03 |
|
PH |
4.5-6.0 |
2. Product features:
Essential for Protein Synthesis: L-Cysteine is an essential amino acid that is critical for protein synthesis and growth.
Antioxidant: It has strong antioxidant properties and helps to remove free radicals and maintain cell health.
Biological activity: Plays an important role in organisms and participates in various physiological and metabolic processes.
3. Process characteristics:
Its process features include precise control of production conditions (such as temperature, pH, nutrients, etc.) to ensure high yield and product quality.
4. Production process:
The production of L-cysteine usually involves microbial fermentation or chemical synthesis methods.
5. Product use:
Pharmaceutical field:
Protein synthesis: As a key component of protein synthesis, it is used in pharmaceutical preparations and dietary supplements.
Antioxidants: Have antioxidant properties and are used in medicines to treat inflammation and other conditions.
Health care field:
Nutritional supplements: Used as nutritional supplements to help maintain good health and promote recovery.
Anti-Aging: Has antioxidant properties and can be used in anti-aging products and supplements.
food industry:
Enhance nutrition: Used to enhance the nutritional value of food and increase protein content.
Flavoring agents: Used as flavoring agents in food processing to enhance the taste and nutritional value of food.
cosmetic:
Skin care products: Antioxidant products can be used in skin care products to help keep skin healthy and youthful.
Skin cleansing products: Cleansing products play a role in cleaning, moisturizing and repairing the skin:
Chemical industry:
Synthetic chemicals: As raw materials for synthetic chemicals, they participate in a variety of chemical reactions.
Materials Production: Used to produce specific compounds and materials for use in various industrial sectors.
Feed and agriculture:
Animal feed: As a nutritional additive to animal feed, it promotes animal growth and health.
Plant Growth: Used in agriculture as a plant growth promoter to increase crop yield and quality.
L-cysteine plays an important role in the fields of medicine, health care, food, cosmetics, chemicals, feed and agriculture. Its diverse applications make it a widely used functional amino acid. Its role in various fields highlights its importance and versatility.
6. Shelf life: sealed and stored in a ventilated and dry place, and stored in the original packaging for 2 years
7. Packaging, transaction method, delivery method, etc.:
Packaging: 1kg/25kg bag/drum with linner inside.
Payment method: Western Union; T/T; MoneyGram
Shipping method: Sea/Air/Domestic Shipping}
8. After-sales service/customized service/sample service:
Packaging customization: Customized services are provided for packages above 1000KG;
Sample service: samples are available;
