(3aR, 4aR, 8aS, 8bR) -2, 2, 7, 7-Tetramethyl-4A, 5, 8A, 8b- Tetrahydro -3ah-[1, 3]Dioxolo[3, 4]Furo[1, 3-D][1, 3]Dioxine; CAS 20881-04-3

Colour
White
Shelf Life
2-3 Years
Lead Time
5-7 Working Days
Transport
Air/Express/Sea
MOQ
10g
Site Audit
Available
Certificates
ISO9001/SGS
Stocks
in Stock
Package
1kg/5kg/10kg/25kg
Purity
99%
Samples
Available
Transport Package
Drum/Bottle/Bags
Trademark
Yunbang
Origin
China
Reference Price
Please contact us for quote
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Product Description

(3aR,4aR,8aS,8bR)-2,2,7,7-tetramethyl-4a,5,8a,8b-tetrahydro-3aH-[1,3]dioxolo[3,4]furo[1,3-d][1,3]dioxine;CAS 20881-04-3

(3aR, 4aR, 8aS, 8bR) -2, 2, 7, 7-Tetramethyl-4A, 5, 8A, 8b-Tetrahydro-3ah-[1, 3]Dioxolo[3, 4]Furo[1, 3-D][1, 3]Dioxine; CAS 20881-04-3
Product Name: 1,2:3,5-Di-O-isopropylidene-alpha-D-xylofuranose
Synonyms: RARECHEM AH BS 0040;DIACETON E-ALPHA-D-XYL;1,2,3,5-DI-O-ISOPROPYLIDENE-ALPHA-D-XYLOFURANOSE;1,2:3,5-DI-O-ISOPROPYLIDENE-ALPHA-D-XYLOFURANOSE;1,2:3,5-DI-O-ISOPROPYLIDENE-D-XYLOFURANOSE;alpha-d-Xylofuranose, 1,2,3,5-bis-O-(1-methylethylidene)-;Xylofuranose, 1,2:3,5-di-O-isopropylidene-, alpha-D-;2,2,6,6-TETRAMETHYL-TETRAHYDRO-FURO[2,3-D,4,5-D']BIS[1,3]DIOXOLE
CAS: 20881-04-3
MF: C11H18O5
MW: 230.26
EINECS: 1312995-182-4
Product Categories: Biochemistry ; O-Substituted Sugars ; Sugars ; Xylose
Mol File: 20881-04-3.mol
 
 
1,2:3,5-Di-O-isopropylidene-alpha-D-xylofuranose Chemical Properties
Melting point  42-46 °C
alpha  19.5 º (c=4, aceton e)
Boiling point  102-104 °C (2 mmHg)
density  1.2024 (rough estimate)
refractive index  19 ° (C=3, Aceton e)
Fp  >113 °C
storage temp.  0-6°C
form  Powder
color  White to Off-white
Water Solubility  slightly soluble
CAS DataBase Reference 20881-04-3(CAS DataBase Reference)
NIST Chemistry Reference
 
Safety Information
Safety Statements  24/25
HS Code  29400090
 
MSDS Information
 
 
1,2:3,5-Di-O-isopropylidene-alpha-D-xylofuranose Usage And Synthesis
Chemical Properties white crystalline powder

(3aR, 4aR, 8aS, 8bR) -2, 2, 7, 7-Tetramethyl-4A, 5, 8A, 8b-Tetrahydro-3ah-[1, 3]Dioxolo[3, 4]Furo[1, 3-D][1, 3]Dioxine; CAS 20881-04-3
(3aR, 4aR, 8aS, 8bR) -2, 2, 7, 7-Tetramethyl-4A, 5, 8A, 8b-Tetrahydro-3ah-[1, 3]Dioxolo[3, 4]Furo[1, 3-D][1, 3]Dioxine; CAS 20881-04-3 (3aR, 4aR, 8aS, 8bR) -2, 2, 7, 7-Tetramethyl-4A, 5, 8A, 8b-Tetrahydro-3ah-[1, 3]Dioxolo[3, 4]Furo[1, 3-D][1, 3]Dioxine; CAS 20881-04-3 (3aR, 4aR, 8aS, 8bR) -2, 2, 7, 7-Tetramethyl-4A, 5, 8A, 8b-Tetrahydro-3ah-[1, 3]Dioxolo[3, 4]Furo[1, 3-D][1, 3]Dioxine; CAS 20881-04-3
Company Informations:

Hunan Yunbang Pharmaceutical Co., Ltd. ( Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of P harmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.

 

Organic Intermediate

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