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hyaluronic acid

Inquiry
  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: 9004-61-9 hyaluronic acid

  Company: Shandong Nova Bio-engineering Co.,Ltd.     [ China ]        
  Contact: zangming
  Tel: 86-537-3652882
  Fax: 86-537-3652715
  Email: ming.zang@hixih.com.cn
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