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117632-48-1

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117632-48-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117632-48-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,3 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117632-48:
(8*1)+(7*1)+(6*7)+(5*6)+(4*3)+(3*2)+(2*4)+(1*8)=121
121 % 10 = 1
So 117632-48-1 is a valid CAS Registry Number.

117632-48-1Downstream Products

117632-48-1Relevant articles and documents

STEREOSELECTIVE SYNTHESES OF 2-SUBSTITUTED PERHYDROFUROFURANS

Vader, Jan,Koopmans, Rimco,Groot, Aede De,Veldhuizen, Albertus van,Kerk, Sies van der

, p. 2663 - 2674 (2007/10/02)

New reagents for the stereoselective synthesis of 2-substituted perhydrofurofurans are described.In the successful approach towards the latter compounds, the key steps were the addition of a monolithio-2α-methoxy-3β-perhydrofuran to an aldehyde and a dilithio-2α-methoxy-3β-perhydrofuran to a carboxyl derivative, respectively.The structures and conformations of the 2-tert-butyl- and 2-isopropylperhydrofurofurans were examined by means of (1)H-NMR double resonance and the 2D-NOE spectroscopy.

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