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161907-34-2

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161907-34-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161907-34-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,0 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 161907-34:
(8*1)+(7*6)+(6*1)+(5*9)+(4*0)+(3*7)+(2*3)+(1*4)=132
132 % 10 = 2
So 161907-34-2 is a valid CAS Registry Number.

161907-34-2Downstream Products

161907-34-2Relevant articles and documents

Synthesis and glycosidic reaction of 1,2-anhydromanno-, lyxo-, gluco-, and xylofuranose perbenzyl ethers

Du, Yuguo,Kong, Fanzuo

, p. 797 - 817 (2007/10/03)

Stereospecific synthesis of 1,2-anhydromanno-, lyxo-, gluco-, and xylofuranose perbenzyl ethers was successfully achieved via intramolecular SN2 reaction of the corresponding C-1 alkoxide with C-2 bearing tosyloxy group. The key intermediates, furanose 2-sulfonates, were prepared from the corresponding 1,2-diols and tosyl chloride under phase transfer conditions in good yields. Condensation of the anhydro sugars with 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose or N-benzyloxycarbonyl L-serine methyl ester in the absence of catalyst gave 1,2-trans-linked glycofuranosides in high yield.

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