hyaluronic acid for skin

• Post Date:

  Dec 24,2013

• Expiry Date:

  Jun 22,2014

• Detailed Description:

  Cas No. :9004-61-9 Quantity: 1000Kilograms
  Specs:high purity cosmetic grade
  Payment Method: accordingly
  Items Specifications
  Description White powder
  PH 6.0~7.5
  Glucuronic Acid ≥43%
  Molecular Weight ≥1.00×106
  Transparency(in0.1%aq.sol.,) ≥99.0%
  Protein ≤0.1%
  Loss on Drying ≤10.0%
  Heavy Meaals(Pb) ≤20ppm
  Arsenic ≤2ppm
  Nitrogen 3.0~4.0%
  Kinematic Viscosity ≥40mm2/s
  Bacteria Count ＜10cfu/g
  Mold and Yeast ＜10cfu/g
  Staphylococcus Aeruginosa Negative
  Pseudomonas Aeruginosa Negative
  

• CAS Registry Number:

  9004-61-9

• Synonyms:

  ;hyaluronan;HA;beta-D-glucopyranuronosyl-(1->3)-(3xi)-2-(acetylamino)-2-deoxy-beta-D-ribo-hexopyranosyl-(1->4)-beta-D-glucopyranuronosyl-(1->3)-(3xi)-2-(acetylamino)-2-deoxy-beta-D-ribo-hexopyranose;beta-D-glucopyranose, O-beta-D-glucopyranuronosyl-(1->3)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1->4)-O-beta-D-glucopyranuronosyl-(1->3)-2-(acetylamino)-2-deoxy-, monosodium salt;sodium (2S,3S,4R,5R,6R)-3-{[(2S,3R,5S,6R)-3-(acetylamino)-5-hydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy}-4,5,6-trihydroxytetrahydro-2H-pyran-2-carboxylate (non-preferred name);(3S,4R,5R,6R)-3-[(2S,3R,5S,6R)-3-acetamido-4-[(2S,3R,4S,6S)-6-carboxy-3,4,5-trihydroxy-tetrahydropyran-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-6-[(3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)tetrahydropyran-4-yl]oxy-4,5-dihydroxy-tetrahydropyran-2-carboxylic acid;

• Molecular Formula:

  C₂₈H₄₄N₂O₂₃

• Molecular Weight:

  776.6486

• Molecular Structure:

  

• Company:

  Shandong Nova Bio-engineering Co.,Ltd.     [ China ]        

• Contact:

  zangming

• Tel:

  86-537-3652882

• Fax:

  86-537-3652715

• Email:

  ming.zang@hixih.com.cn