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121703-15-9

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121703-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121703-15-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,0 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121703-15:
(8*1)+(7*2)+(6*1)+(5*7)+(4*0)+(3*3)+(2*1)+(1*5)=79
79 % 10 = 9
So 121703-15-9 is a valid CAS Registry Number.

121703-15-9Downstream Products

121703-15-9Relevant articles and documents

STEREOSELECTIVE SYNTHESES OF γ-HYDROXY-α,β-UNSATURATED ESTERS: AN ASYMMETRIC VERSION OF THE "SPAC" REACTION

Burgess, Kevin,Henderson, Ian

, p. 4325 - 4328 (1989)

Double diastereoselection in the Sulfoxide Piperidine And Carbonyl (SPAC) reactions of sulfinyl acetate esters (2) with α-unsubstituted aldehydes (3) has been investigated to facilitate asymmetric syntheses of γ-hydroxy-α,β-unsaturated esters (1).

ACYCLIC STEREOSELECTION IN α-AMIDOALKYLATION REACTIONS

Harding, Kenn E.,Davis, Clark S.

, p. 1891 - 1894 (2007/10/02)

The chiral reagent 7 provides the first example of an acyclic α-amidoalkylation reagent that generates a new stereogenic center with excellent stereoselectivity, and the stereochemistry of the resulting products provides evidence that the N-acylimine inte

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