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195004-90-1

(2S,3S,4S,5R)-4,5-Bis-benzyloxy-2-methoxy-2-oxo-2λ5-[1,2]oxaphosphinan-3-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • (2S,3S,4S,5R)-4,5-Bis-benzyloxy-2-methoxy-2-oxo-2λ5-[1,2]oxaphosphinan-3-ol

    Cas No: 195004-90-1

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  • 195004-90-1 Structure

  • Basic information

    1. Product Name: (2S,3S,4S,5R)-4,5-Bis-benzyloxy-2-methoxy-2-oxo-2λ5-[1,2]oxaphosphinan-3-ol
    2. Synonyms: (2S,3S,4S,5R)-4,5-Bis-benzyloxy-2-methoxy-2-oxo-2λ5-[1,2]oxaphosphinan-3-ol
    3. CAS NO:195004-90-1
    4. Molecular Formula:
    5. Molecular Weight: 378.362
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 195004-90-1.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: (2S,3S,4S,5R)-4,5-Bis-benzyloxy-2-methoxy-2-oxo-2λ5-[1,2]oxaphosphinan-3-ol(CAS DataBase Reference)
    10. NIST Chemistry Reference: (2S,3S,4S,5R)-4,5-Bis-benzyloxy-2-methoxy-2-oxo-2λ5-[1,2]oxaphosphinan-3-ol(195004-90-1)
    11. EPA Substance Registry System: (2S,3S,4S,5R)-4,5-Bis-benzyloxy-2-methoxy-2-oxo-2λ5-[1,2]oxaphosphinan-3-ol(195004-90-1)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 195004-90-1(Hazardous Substances Data)

195004-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 195004-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,0,0 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 195004-90:
(8*1)+(7*9)+(6*5)+(5*0)+(4*0)+(3*4)+(2*9)+(1*0)=131
131 % 10 = 1
So 195004-90-1 is a valid CAS Registry Number.

195004-90-1Upstream product

195004-90-1Relevant articles and documents

Synthesis of Cyclic Phosphonate Analogs of Ribose and Arabinose

Harvey, Thomas C.,Simiand, Cecile,Weiler, Larry,Withers, Stephen G.

, p. 6722 - 6723 (2007/10/03)

The cyclic phosphonates of ribose and arabinose (phostones) 10-13 were synthesized by a Lewis acid-catalyzed addition of trimethyl phosphite to the partially protected D-threose 7 to give the acyclic phosphonates 8 and 9. This Abramov reaction was moderately stereoselective (3:1). A base-catalyzed cyclization of the mixture of 8 and 9 gave the four isomeric phosphonates 10-13. Two of the isomers, 10 and 11, could be crystallized from the reaction mixture. The stereochemistries of 11 and 16, the tribenzyl ether from 10, were proven by X-ray crystallography, and the stereochemistries of the other isomers and derivatives were determined by 31P NMR chemical shift data. The X-ray data and solution NMR data indicate that these phostones and their derivatives exist exclusively in a chair conformation.

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