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177981-88-3

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177981-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177981-88-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,9,8 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 177981-88:
(8*1)+(7*7)+(6*7)+(5*9)+(4*8)+(3*1)+(2*8)+(1*8)=203
203 % 10 = 3
So 177981-88-3 is a valid CAS Registry Number.

177981-88-3Downstream Products

177981-88-3Relevant articles and documents

Lewis-acid promoted addition of 2-trimethylsilyloxyfuran to nitrones: Synthesis and absolute configuration of tetrahydro-2-benzyl-3-(1-benzyloxyethyl)-furo[2,3-d]isoxazol-5(2H)ones

Castellari, Carlo,Lombardo, Marco,Pietropaolo, Graziano,Trombini, Claudio

, p. 1059 - 1068 (2007/10/03)

A straightforward synthesis of tetrahydro-2-benzyl-3-(1-benzyloxyethyl)-furo[2,3-d]isoxazol-5(2H)ones is reported, based on the Lewis acid-catalysed addition of 2-trimethylsilyloxyfuran to the N-benzyl nitrone of (S)-lactaldehyde.

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