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4581-93-5

1,3,4,6-Tetra-O-acetyl-2-O-p-toluenesulfonyl-α-D-glucopyranose is a complex organic compound derived from α-D-glucopyranose, a monosaccharide. 1,3,4,6-tetra-O-acetyl-2-O-p-toluenesulfonyl-α-D-glucopyranose is characterized by the presence of four acetyl groups (-COCH3) attached to the 1, 3, 4, and 6 hydroxyl groups of the glucose molecule, and a p-toluenesulfonyl group (-C6H4SO2CH3) attached to the 2-hydroxyl group. The acetyl groups protect the hydroxyl groups from unwanted reactions, while the p-toluenesulfonyl group serves as a protecting group for the 2-hydroxyl group. 1,3,4,6-tetra-O-acetyl-2-O-p-toluenesulfonyl-α-D-glucopyranose is commonly used in organic synthesis, particularly in the preparation of various glycosides and oligosaccharides, due to its stability and the ease with which the protecting groups can be removed under specific conditions.

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  • 4581-93-5 Structure

  • Basic information

    1. Product Name: 1,3,4,6-tetra-O-acetyl-2-O-p-toluenesulfonyl-α-D-glucopyranose
    2. Synonyms:
    3. CAS NO:4581-93-5
    4. Molecular Formula:
    5. Molecular Weight: 502.496
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 4581-93-5.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: 1,3,4,6-tetra-O-acetyl-2-O-p-toluenesulfonyl-α-D-glucopyranose(CAS DataBase Reference)
    10. NIST Chemistry Reference: 1,3,4,6-tetra-O-acetyl-2-O-p-toluenesulfonyl-α-D-glucopyranose(4581-93-5)
    11. EPA Substance Registry System: 1,3,4,6-tetra-O-acetyl-2-O-p-toluenesulfonyl-α-D-glucopyranose(4581-93-5)

  • 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: 4581-93-5(Hazardous Substances Data)

4581-93-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4581-93-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,8 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4581-93:
(6*4)+(5*5)+(4*8)+(3*1)+(2*9)+(1*3)=105
105 % 10 = 5
So 4581-93-5 is a valid CAS Registry Number.

4581-93-5Relevant articles and documents

PREPARATION OF 1,6:3,4-DIANHYDRO-β-D-ALTROPYRANOSE AS STARTING SUBSTANCE FOR THE SYNTHESIS OF 3-SUBSTITUTED D-MANNOSE DERIVATIVES

Dolezalova, Jitka,Trnka, Tomas,Cerny, Miloslav

, p. 2415 - 2422 (2007/10/02)

Acetolysis of 1,6:3,4-dianhydro-2-O-p-toluenesulfonyl-β-D-galactopyranose (I) gave 3,4-di-O-acetyl-1,6-anhydro-2-O-p-toluenesulfonyl-β-D-glucopyranose (II) which was converted with sodium methoxide to 1,6:3,4-dianhydro-β-D-altropyranose (X).The 1,6-anhydride bond in diacetate II was cleaved with acetic anhydride or hydrogen bromide in acetic acid under formation of a mixture of anomeric tetraacetates of 2-O-p-toluenesulfonyl-D-glucopyranose or the corresponding acetates of α-D-glucopyranosyl bromide XIII and its 6-bromo-6-deoxy derivative XIV.

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