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103559-39-3

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103559-39-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103559-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,5,5 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 103559-39:
(8*1)+(7*0)+(6*3)+(5*5)+(4*5)+(3*9)+(2*3)+(1*9)=113
113 % 10 = 3
So 103559-39-3 is a valid CAS Registry Number.

103559-39-3Downstream Products

103559-39-3Relevant articles and documents

ON THE STABILITY OF SYMMETRIC DIMERS OF DEHYDROASCORBIC ACID: A STUDY OF THE ESTERS IN THE CRYSTALLINE AND THE SOLUTE STATE

Hvoslef, Jan,Hope, Hakon,Murray, Brendan D.

, p. 11 - 20 (1986)

Acetylated and benzoylated dimeric dehydroascorbic acid have the same molecular structure as the crystalline parent compound.X-Ray analysis of the tetraacetate reveals only moderate deviation from tw-fold symmetry, caused, presumably, by the packing requirements of the acetate groups.The central dioxane ring is stabilised by the conversion of OH into OAc or OBz.In methyl sulfoxide or N,N-dimethylformamide solutions, no anomerisation occurs as is found with dehydroascorbic acid.

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