page_banner

Products

L-Ascorbic acid Cas: 50-81-7 White powder 99%

Short Description:

Catalog Number: XD90439
Cas: 50-81-7
Molecular Formula: C6H8O6
Molecular Weight: 176.12
Availability: In Stock
Price:  
Prepack: 100g USD5
Bulk Pack: Request Quote

 

 

 

 

 


Product Detail

Product Tags

Catalog Number XD90439
Product Name L-Ascorbic acid

CAS

50-81-7

Molecular Formula

C6H8O6

Molecular Weight

176.12
Storage Details 2 to 8 °C
Harmonized Tariff Code 29362700

 

Product Specification

Appearance White powder
Assay 99%
Arsenic 3ppm max
Lead 2ppm max
pH 2.1-2.6
Loss on Drying <0.5%
Sulphated Ash 0.1 %max
Iron 2ppm max
Copper 5.0ppm max
Colour of Solution BY7 max
Specific optical rotation 20.5 - 21.5 @20 DegC
Mercury 0.1ppm max
Organic Volatile Impurities Conforms
Mesh <100
Oxalic acid 0.3%max
Residual Solvents Conforms
Clarity of Solution Clear
Cadmium (Cd) 1ppm max
Heavy metals(as Pb) 10ppm max
Identity Conforms

 

4-Nitrophenyl-N-acetyl-β- D-glucosaminide is a useful substrate for rapid colorimetric assay of N-acetyl-b-glucosaminidase activity in human urine. Chromogenic β-Glucosaminidase substrate yielding a yellow solution upon cleavage, employed particularly in yeasts and molds.


  • Previous:
  • Next:

  • Close

    L-Ascorbic acid Cas: 50-81-7 White powder 99%