99% up by HPLC L-Cysteine Base 52-90-4

Category:Active Pharmaceutical Ingredients > Other Active Pharmaceutical Ingredients
Product Name:99% up by HPLC L-Cysteine Base 52-90-4
CAS No.:52-90-4
Standard:USP, BP, EP, JP, In-house Standards
Price(USD):Negotiable
Company:Sinoway Industrial Co.Ltd.

Basic Info
  • Grade: Pharmaceutical Grade

    Factory Location: Xiamen, Fujian

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East

  • Monthly Production Capacity: 1000kg

    Packaging Information: 25kg/drum 1kg/bottle

  • Delivery Lead Time: 7 days after payment

    Sample Provided: yes

    Payment Terms: L/L

    Product Information

     

    Product name

    L-Cysteine Base

    CAS No.

    52-90-4

    Molecular Formula

    C3H7NO2S

    Molecular Weight

    121.16

    Quality Standard

    99% up by HPLC, AJI97

    Appearance

    White powder

     

    COA of L-Cysteine Base

     

    ANALYSIS

    SPECIFICATION

    RESULTS

    Appearance

    White crystal powder

    Complies

    Odor

    Characteristic

    Complies

    Tasted

    Characteristic

    Complies

    Assay

    99%

    99.56%

    Sieve Analysis

    100% pass 80 mesh

    Complies

    Loss on Drying

    5% Max

    1.02%

    Sulphated Ash

    5% Max

    1.3%

    Extract Solvent

    Ethanol & Water

    Complies

    Heavy Metal

    5ppm Max

    0.5 ppm

    As

    2ppm Max

    0.01 ppm

    Residual Solvents

    0.05% Max.

    Negative

    Microbiology

     

    Total Plate Count

    1000/g Max

    235/g

    Yeast & Mold

    100/g Max

    46/g

    E.Coli

    Negative

    Negative

    Salmonella

    Negative

    Negative

     

    Usage

     

    Function of L-Cysteine Base

    1. In cosmetics: used in the production of perm essence, sunscreen, perfume, hair nourishing essence, etc. This kind of advanced perm essence and cold perm essence, which replaces thioglycolic acid with cysteine, is easy to perm, easy to maintain hairstyle, soft and not It can also prepare sunscreen and hair growth perfume;

    2. In medicine: cysteine is mainly used in liver medicine, antidote, expectorant and other medicines. Cysteine and its derivatives can be used for liver poisoning and detoxification, antipyretic and analgesic, ulcer treatment, fatigue recovery, infusion and comprehensive amino acid preparations, etc., especially for expectorant; treatment of bronchitis and phlegm reduction.

    3. In food: bread fermentation accelerator, preservative. Cysteine is used as fermentation aid, antioxidant and stabilizer for milk powder and fruit juice, and nutritional additive for pet food;

    4. L-cysteine can be used as the raw material for the production of N-acetyl-L-, carboxymethyl cysteine and other cysteine derivatives.

    5. Accelerates the formation of gluten and prevents aging; it can be used in natural fruit juice to prevent the oxidation and browning of VC; it has detoxification effects on acrylonitrile and aromatic acidosis. Prevent radiation damage.

     

     

    Application of L-Cysteine Base

    1) Mainly used in cosmetics and other aspects.
    2) Used in bread, to promote the formation of gluten and promote fermentation, mold, prevent aging.
    3) Used in natural juices to prevent vitamin C from oxidizing and to prevent the juices from turning brown.

     

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