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177469-73-7

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177469-73-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177469-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,4,6 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 177469-73:
(8*1)+(7*7)+(6*7)+(5*4)+(4*6)+(3*9)+(2*7)+(1*3)=187
187 % 10 = 7
So 177469-73-7 is a valid CAS Registry Number.

177469-73-7Upstream product

177469-73-7Relevant articles and documents

Stereocontrolled synthesis of α,α-disubstituted α-aminoaldehydes and α-aminoacids using a [3,3] allylic trichloracetimidate rearrangement

Imogai, Hassan,Petit, Yves,Larcheveque, Marc

, p. 2573 - 2576 (1996)

Sigmatropic rearrangement of trichloracetimidates derived from syn monoprotected allylic diols 3 resulting from the condensation of vinylalanes or cuprates with α-alkoxyaldehydes afforded diastereomerically pure allylic amines 6. The oxidative cleavage of these amines allowed the access to α,α-disubstituted α-aminoacids in high enantiomeric purity.

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