Nanjing Spring & Autumn Biological Engineering Co., Ltd

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19057-60-4 Dioscin Natural Bioactive Compounds Dioscorea Nipponica Source

It's my honour to be the one foreign customer after NSABE estabilished. Since 2008 till now, I've been buying plant extracts from NSABE. The purity of the products is high with good price.

—— Jean-Perre

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19057-60-4 Dioscin Natural Bioactive Compounds Dioscorea Nipponica Source

China 19057-60-4 Dioscin Natural Bioactive Compounds Dioscorea Nipponica Source supplier

Large Image :  19057-60-4 Dioscin Natural Bioactive Compounds Dioscorea Nipponica Source

Product Details:

Place of Origin: Nanjing
Brand Name: NSABE
Model Number: 19057-60-4

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1~10 kg / Al-Pt bag,10kg / 25kg fiber drum
Delivery Time: 1-3days after payment
Payment Terms: T/T, L/C, Western Union
Supply Ability: 100kg per Month
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Detailed Product Description
Product Name: Dioscin Purity: 98%
Color: White Powder Cas No.: 19057-60-4
Identification Method: Mass, NMR Analysis Method: HPLC-DAD Or/and HPLC-ELSD

19057-60-4 Dioscin Natural Bioactive Compounds Dioscorea Nipponica Source

 

Quick Details:

 

English Name:Dioscin

CASNo.:19057-60-4

Molecular Formula:C45H72O16

Molecular Weight:869.05

Molecular structure:19057-60-4 Dioscin Natural Bioactive Compounds Dioscorea Nipponica Source

Appearance:White powder

Purity:≥98%

Identification method:Mass, NMR

Analysis method:HPLC-DAD or/and HPLC-ELSD

Mp:294~296℃

Rotation:-115°(C=0.373, ethanol)

Solubility:Insoluble in water, petroleum ether, benzene, soluble in methanol, ethanol,

acetic acid, slightly soluble in acetone, amyl alcohol.

Extraction Source:Dioscorea nipponica

 

ANALYTICAL CONDITIONS
INSTRUMENT AGILENT 1100 HPLC UV-VIS (VWD) DETECTION
COLUMN ZORBAX Eclipse XDB-C18 4.6*250mm
MOBILE PHASE A – Mili-Q water, B –Acetonitrile;
  A:B=45:55
COLUMN TEMP. 30 ℃
FLOW RATE 1.0 ml/min
INJECTION VOL. 5 μl
INJECTION CONC. 2 mg/ml in MeOH
DETECTION UV 210 nm

 

Products and services:

1. High purity natural compounds of plant sources: Foucing on the research and production of natrual compounds. All our products are researched and developed independently, having high scientific and technological content, and most of them are domestic or international exclusive production. Our products can meet different needs of different specifications from mg to kg; we supply massive customization services of high purity natural products from plants.

2. TCM reference/standard (Production and Sale): Production and sales of more than 600 kinds of TCM reference (standard). All products undergo rigorous detection of HPLC, MS, NMR, with reliable quality and. reasonable price.

3. Front edge natural products (Production and Customization): Provide professional customization research and production services for development of pharmacology and drug industry, solving the bottleneck problem you are experiencing, escort for your project running smoothly.

 

Our Services

1. Your inquiry related to our products or prices will be replied in 12hours.

2. Well-trained and experienced staffs to answer your enquires in fluent English.

3. All our products have high quality warranties.

4. Sample order can be delivered within 3 working days, small order 3-5working days, mass order 7-10working days.

5. Samples can be offered by free,customers just need to pay the freight.But the freight can be returned to our customer after he/she places formal order with us.

 

Company profile:

Nanjing Spring & Autumn Biological Engineering Co., Ltd. has a R & D team composed by experienced natural products chemists and plant taxonomists.

 

Our specialty services are as follows:

1) Supply massive customization services of high purity natural products from plants, our products can meet different needs of different specifications from mg to kg;
2) Customization research and production services of high purity natural products from TCM. All our products can provide the HPLC, MS, NMR spectrum according to customer needs, as well as standardized testing analysis report.

Contact Details
Nanjing Spring & Autumn Biological Engineering Co., Ltd

Contact Person: Jessie Chu

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