• High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine
  • High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine
  • High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine
  • High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine
  • High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine
  • High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine

High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine

Powder: Yes
Customized: Customized
Certification: ISO 9001
State: Solid
Purity: >99%
CAS: 52-90-4
Samples:
US$ 25/kg 1 kg(Min.Order)
| Request Sample
Customization:
Gold Member Since 2022

Suppliers with verified business licenses

Manufacturer/Factory, Group Corporation
  • Overview
  • Quick Description
  • Product Description
  • Packaging & Shipping
  • Company Profile
  • Our Advantages
  • FAQ
Overview

Basic Info.

Model NO.
JLYH20221126
Product Name
52-90-4
MW
121.16
Form
Solid
Transport Package
25kg/Drum
Trademark
Unilong
Origin
China
Production Capacity
30000kg/Month

Product Description


High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine

Quick Description

Product Name:L-Cysteine
CAS:52-90-4
MF: C3H7NO2S
MW:121.16
EINECS:200-158-2
Melting point: 240 ° C (dec.) (lit.)
Specific rotation: 8.75 º (c=12,2NHCl)
Boiling point: 293.9 ± 35.0 ° C (Predicted)
Density: 1.197 (estimate)
Refractive index: 8.8 ° (C=8,1mol/LHCl)
Storage conditions: Storebelow+30 ° C
Solubility: H2O: 25mg/mL
Form: Solid
Acidity coefficient (pKa): 1.92 (at25 ºC)
Color: White

Product Description

What Is L-Cysteine ?
L-Cysteine is a kind of non-essential amino acid of human body.Amino acid is the constituent unit of protein, and protein is the material basis of life.From humans to small microorganisms, all of them are composed of protein.

Appearance  White crystals or crystalline powder.
Specific rotation [α]D20 +8.3°~ +9.5°
State of solution ≥95.0%
Chloride(Cl) ≤0.2%
Ammonium(NH4) ≤0.02%
Sulfate(SO4) ≤0.030%
Iron(Fe) ≤10ppm
Heavy metals(Pb) ≤10ppm
Arsenic(As2O3) ≤1ppm
Other amino acids ≤1.0%
Loss on drying ≤0.5%
Residue on ignition ≤0.1%
Assay 98.0~101.0%
pH 4.5~5.5
High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine
High Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine

Application Of L-Cysteine 

Cysteine helps the body detoxify. It is the best free radical scavenger along with vitamin E.

Cysteine is also a precursor to glutathione, which binds and detoxifies harmful substances in the liver.

It protects the liver and brain from damage from cigarettes, alcohol and drugs.

Packaging & Shipping

25kgs/drum,9tons/20'container
25kgs/bag,20tons/20'container

High Purity 99% L-Cysteine Powder CAS 52-90-4 L CysteineHigh Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine

Company Profile

Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in Zibo Zhangdian chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials. 
With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields of nutrition, skin care, daily care chemical materials.
High Purity 99% L-Cysteine Powder CAS 52-90-4 L CysteineHigh Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine

Our Advantages

High Purity 99% L-Cysteine Powder CAS 52-90-4 L CysteineHigh Purity 99% L-Cysteine Powder CAS 52-90-4 L Cysteine

FAQ

Q1: Are you trading company or manufacturer?
A1: We are chemical factory in China. So we can provide wholesale price.

Q2: How can I get the samples?
A2: We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample

Q3: Can you provide relevant documents?
A3: Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.

Q4: Do you accept third party inspection?
A4: Yes.we do.

Q5: How long is your delivery time?
A5: Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.

Q6: What's your terms of payment?
A6: We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.

Q7: Can your company accept the special requirements of your customers?
A7: Of course, we can.

Send your message to this supplier

*From:
*To:
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now

You Might Also Like

Gold Member Since 2022

Suppliers with verified business licenses

Manufacturer/Factory, Group Corporation
Registered Capital
10000000 RMB
Plant Area
1001~2000 square meters