World Well-Being Biotech CAS 52-90-4 99% L-Cysteine

Product Details
Customization: Available
Certification: ISO, FDA, Hahal, Food Manufacturing License, Business Licens
Assay Method: HPLC, UV
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Number of Employees
39
Year of Establishment
2013-01-10
  • World Well-Being Biotech CAS 52-90-4 99% L-Cysteine
  • World Well-Being Biotech CAS 52-90-4 99% L-Cysteine
  • World Well-Being Biotech CAS 52-90-4 99% L-Cysteine
  • World Well-Being Biotech CAS 52-90-4 99% L-Cysteine
  • World Well-Being Biotech CAS 52-90-4 99% L-Cysteine
  • World Well-Being Biotech CAS 52-90-4 99% L-Cysteine
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Basic Info.

Model NO.
HWW2023120622
Application
Health Care Products, Medicine, Food & Beverage, Skin Care, Feed
State
Powder
Extract Source
Synthesis
Product Name
L-Cysteine
Appearance
White Powder
Payment
T/T in Advance
Shelf Life
White Powder
Delivery Time
3-5 Working Days
Free Sample
Available
Transport Package
25kg/Drum
Specification
99% L-Cysteine
Origin
Hunan, China
Production Capacity
5t/Month

Product Description

Product Description

Description 
L-cysteine is an optically active form of cysteine having L-configuration. It has a role as a flour treatment agent, a human metabolite and an EC 4.3.1.3 (histidine ammonia-lyase) inhibitor. It is a serine family amino acid, a proteinogenic amino acid, a cysteine and a L-alpha-amino acid. It is a conjugate base of a L-cysteinium. It is a conjugate acid of a L-cysteinate(1-). It is an enantiomer of a D-cysteine. It is a tautomer of a L-cysteine zwitterion.
 
Testing Item
Standard
Result
Appearance
White crystals or crystalline powder
conforms
Specific rotation[a]D20
+ 8.3°~ +9.5°
+8.72°
State of solution (Transmittance)
≥95.0%
98.5%
Loss on drying
≤0.50%
0.18%
Residue on ignition
≤0.10%
0.07%
Heavy metals(Pb)
≤10PPM
<10PPM
Chloride (Cl)
600---1000ppm
800ppm
Arsenic (As2O3)
≤1PPM
conforms
Iron (Fe)
≤10PPM
<10PPM
Ammonium (NH4)
≤0.02%
<0.02%
Sulfate (SO4)
≤0.030%
≤0.030%
Other amino acids
Chromatographically
Qualified
PH value
4.5 ~ 5.5
5.0
Assay
98.0%~101.0%
99.4%
World Well-Being Biotech CAS 52-90-4 99% L-CysteineWorld Well-Being Biotech CAS 52-90-4 99% L-CysteineWorld Well-Being Biotech CAS 52-90-4 99% L-CysteineWorld Well-Being Biotech CAS 52-90-4 99% L-CysteineWorld Well-Being Biotech CAS 52-90-4 99% L-Cysteine

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