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153645-33-1

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153645-33-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153645-33-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,6,4 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 153645-33:
(8*1)+(7*5)+(6*3)+(5*6)+(4*4)+(3*5)+(2*3)+(1*3)=131
131 % 10 = 1
So 153645-33-1 is a valid CAS Registry Number.

153645-33-1Downstream Products

153645-33-1Relevant articles and documents

Synthesis and characterization of N-alkyl hydroxyacetamides

Zamudio Rivera, Luis S.,Carrillo, Lourdes,Mancilla, Teresa

, p. 84 - 88 (2000)

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Alkylation of N′-[(S)-1′-phenylethyl]-N-(diphenylmethylene)glycinamide using a phase transfer catalyst (PTC) for practical asymmetric syntheses of α-amino acid derivatives

Kim, Hyun Ju,Lee, Sang-Kuk,Park, Yong Sun

, p. 613 - 616 (2007/10/03)

The chiral auxiliary mediated stereoselective alkylation reaction of N′-[(S)-1′-phenylethyl]-N-(diphenylmethylene)glycinamide (1) using a phase transfer catalyst (PTC) is described. Alkylation of 1 using 18-crown-6 as a PTC for liquid-solid extraction of KOH in toluene gives best results. This methodology provides a practical protocol for the preparation of a variety of enantio-enriched unnatural α-amino acid derivatives up to 83:17 enantiomeric ratio.

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