High Quality L-Ascorbic acid, 2-O-a-D-glucopyranosyl CAS NO.129499-78-1

 Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

 

Our Laboratory is located in shandong province. There are 15 experts in our research team. Talented personnel and well-equipped laboratory makes rigorous and professional quality control possible. Lyphar Biotech is equipped with various detection devices, such as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.

 

The aim of QDSIGMA is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

 

QDSIGMA has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".QDSIGMA has 21 subsidiaries and holding companies.

 

Ascorbyl Glucoside Quick Details

Chemical Name: Ascorbyl Glucoside
CAS No.: 129499-78-1
Molecular Fomula: C12H18O11

 

Molecular weight: 338.26472

Appearance: White crystalline powder

Assay:98%

 

Ascorbyl Glucoside Typical Properties

Item	Specifications
Appearance	White crystalline powder
Assay	≥98%
Melting point	158~163℃
Clarity of water solution	Transpency,colorless,nonesuspended matters
Specific optical rotation	[α]D20=+186~188°
Free ascorbic acid	≤0.1%
Free glucose	≤0.1%
Heaby metal	≤10ppm
Arsenic	≤2ppm
Loss on drying	≤1.0%
Ignition residue	≤0.5%
Pathogen	Bacteria:≤300cfu/g Fungus:≤100cfu/g

(Storage conditions: preserve in tight container store at controlled room temperature)

d sulfuric acid.