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114669-68-0

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114669-68-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 114669-68-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,6,6 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 114669-68:
(8*1)+(7*1)+(6*4)+(5*6)+(4*6)+(3*9)+(2*6)+(1*8)=140
140 % 10 = 0
So 114669-68-0 is a valid CAS Registry Number.

114669-68-0Downstream Products

114669-68-0Relevant articles and documents

CYCLOADDITION OF TRICHLOROACETYL ISOCYANATE TO GLYCALS

Chmielewski, Marek,Kaluza, Zbigniew

, p. 143 - 152 (1987)

Cycloaddition of trichloroacetyl isocyanate to 1,5-anhydro-2-deoxy-D-erythro- and -L-threo-pent-1-enitols, and 1,5-anhydro-2-deoxy-D- and -L-arabino-hex-1-enitols having benzyl, methyl, tert-butyldimethylsilyl, and trimethylsilyl substituents on hydroxyl groups proceeds satisfactorily, under normal pressure at room temperature, to give a mixture of and cycloadducts.The isocyanate enters the glycal molecule stereospecifically anti with respect to the C-3 substituent.Bicyclic adducts slowly rearrange to the respective α,β-unsaturated amides.N-Deprotection of the trichloroacetyl substituent in cycloadducts produces stable β-lactams.Further deprotection gives crystalline, water-soluble 2-carboxy-2-deoxypento- and -hexo-pyranosylaminolactams having a unique bicyclic sugar structure.

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