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Amino acid L-Cysteine 52-90-4 for food

Country/Region china
Company ingredient4health company
Categories L D Amino Acids
Telephone 86-21-66531378
ICP License Issued by the Chinese Ministry
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    Amino acid L-Cysteine 52-90-4 for food

    Amino acid L-Cysteine 52-90-4 for food

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    Pharmacuetical Grade N-Acetyl-Cysteine/N-Acetyl-L-Cysteine/NAC CAS No.: 616-91-1 Other Names: N-Acetyl L-Cysteine MF: C5H9NO3S EINECS No.: 210-498-3 Place of Origin: Henan, China (Mainland) Type: Vitamins, Amino Acids and Coenzymes Grade Standard: Medicine Grade Usage: Animal...

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    Product Details

    Pharmacuetical Grade N-Acetyl-Cysteine/N-Acetyl-L-Cysteine/NAC
    CAS No.: 616-91-1
    Other Names: N-Acetyl L-Cysteine
    MF: C5H9NO3S
    EINECS No.: 210-498-3
    Place of Origin: Henan, China (Mainland)
    Type: Vitamins, Amino Acids and Coenzymes
    Grade Standard: Medicine Grade
    Usage: Animal Pharmaceuticals
    Brand Name: Friend
    Model Number: USP/EP
    Purity: 99%min
    Product Name: N Acetyl Cysteine
    Appearance: White crystals or crystalline powder
    Grade: Phamaceutical Grade
    Assay: 98.5%-101.0%
    Shelf life: 2 Years
    Application: Pharmaceutical Raw Intermediates
    Molecular weight: 163.19
    Standard: USP/EP
    Package: 25kg/drum
    Storage: Kept in cool dry places with original package, avoid moisture
    Packaging & Delivery

    Packaging Details:

    25kg/drum, or as buyer's requests

    Delivery Detail:

    Shipped in 5 days after payment

    Pharmaceutical Raw Materials N-Acetyl -Cysteine
    N-Acetyl L-Cysteine Property: N-Acetyl L-Cysteine, also known as N-Acetyl Cysteine or N acetylcysteine, is a medication used to treat paracetamol overdose and to loosen thick mucus such as in cystic fibrosis or chronic obstructive pulmonary disease. White crystals or crystalline powder, a slight sweet taste, melting point 109-111°C.
    N-Acetyl L-Cysteine Specification

    Item

    Specification

    Description

    White crystals or crystalline powder, a slight sweet taste

    Specific rotation

    +21.3°- +27°

    Transmittance

    ≥98%

    Chloride

    ≤0.04%

    Sulfate

    ≤0.03%

    Ammonium

    ≤0.02%

    Iron

    ≤20ppm

    Heavy metals

    ≤10ppm

    Arsenic

    ≤1ppm

    Loss on drying

    ≤0.5%

    Residue on ignition

    ≤0.2%

    PH

    2.0-2.8

    Assay

    98.5%-101.0%

    L-Cysteine Hydrochloride Anhydrous

    ITEM

    STANDARD

    RESULTS

    Specific rotation[a]D20°

    +5.6°~+8.9°

    +6.9°

    State of solution

    ≥98.0%

    99.7%

    Identification

    Infrared absorption spectrum

    Qualified

    Chloride(Cl)

    22.30~22.6%

    22.53%

    Ammonium(NH4)

    ≤0.02%

    <0.02%

    Sulfate(SO4)

    ≤0.020%

    <0.02%

    Iron(Fe)

    ≤10 PPM

    <10PPM

    Heavy metals(Pb)

    ≤10 PPM

    <10PPM

    Arsenic(As2O3)

    ≤1PPM

    <1PPM

    Other amino acids

    Chromatographically
    not detectable

    Qualified

    Loss on drying

    ≤1.0

    0.03

    Residue on ignition

    ≤0.10%

    0.05%

    Assay

    98.0-102.0%

    99.70%

    PH

    1.5~2.0

    1.7

    We take pride in introducing us as one of the leading l-cysteine manufacturers and suppliers in China to you. Assisted by advanced equipment and technology, we warmly welcome you to buy the bulk l-cysteine with reasonable price from us.

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