CYSTINE

Category:Natural Extracts > Cosmetics Raw Materials
Product Name:CYSTINE
CAS No.:56-89-3
Standard:In-house Standards
Price(USD):Negotiable
Company:Maanshan Tiantai Biotechnology Co.,Ltd

Basic Info
  • Grade: Food Grade

    Factory Location: anhuimaanshang

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

  • Sample Provided: yes

    Payment Terms: D/P

    化学名称:

    L-胱氨酸

    INCI名称:

    胱氨酸

    英文名称:

    CYSTINE

    CAS号:

    56-89-3

    HS编码

    2930901000

    化学式:

    C6H12N2O4S2

    分子量:

    240.30

    中文别名:

    (R,R)-3,3'-二硫双(2-氨基丙酸);

    双硫代氨基丙酸;

    L-膀胱氨基酸;

    L-胱;

    L-(-)-胱氨酸;

    3-二硫代双(2-氨基丙酸);

    L-3,3'-二硫代双(2-氨基丙酸)

    英文别名:

    L-cystine;

    L-Cystine;

    1-cystine;

    L-CYSTINE;

    l-cystin;

    h-(cys);

    (H-Cys-OH)2;

    (R,R)-3,3'-Dithiobis(2-aminopropionicacid);

    Cystin;

    [3H]-Cystine;

    (CYS)2;

    .β.,.β.'-Diamino-.β.,.β.'-dicarboxydiethyl disulfide;

    (R,R)-cystine;

    Nephrin;

    Dicysteine;

    L-CYTISINE

    指    标

    Specification

    标  准

    Standard

    外观 Appearance

    白色或类白色结晶性粉末White or almost white crystalline powder

    溶液外观

    Appearance of the Solution

    透明无色至浅黄色Transparent colorless to light yellow

    pH值 pH value

    5.0~6.5

    比旋度 Specification Rotation

    −215°~+−225°

    干燥失重 Loss on Drying

    0.2%

    灼烧残渣 Residue on Ignition

    0.1%

    氯化物Chloride

    200ppm

    硫酸盐sulfate

    200ppm

    重金属(铅) Heavy metal(Lead)

    ≤10 ppm

    铁盐 Ironic Salt

    ≤10 ppm

    透光率Light transmittance

    ≥98.0%(430nm)

    含量 Assay(drying basis)

    98.5~101.5%

    生物检测 Microbial Test

    总菌数 Total Aerobic

    1000cfu/g

    霉菌和酵母 Yeast & Mold

    100cfu/g

    大肠杆菌 E.coli

    Negative

    沙门氏菌 Salmonella

    Negative

    Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request.

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