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113660-41-6

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113660-41-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113660-41-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,6,6 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 113660-41:
(8*1)+(7*1)+(6*3)+(5*6)+(4*6)+(3*0)+(2*4)+(1*1)=96
96 % 10 = 6
So 113660-41-6 is a valid CAS Registry Number.

113660-41-6Relevant articles and documents

A Pd-mediated approach to the synthesis of an unusual β- hydroxytryptophan amino acid constituent of cyclomarin A

Della Sala, Giorgio,Izzo, Irene,Spinella, Aldo

, p. 1319 - 1322 (2007/10/03)

A synthetic approach based on a palladium-mediated vinylation of indole derivatives was established for the preparation of 5, a key intermediate in the synthesis of N-(tert-butoxycarbonyl)-L-1H-[(R)-1,1-dimethyl-2,3-epoxypropyl]- β-hydroxytryptophan ethyl ester (6). Unsatisfying yields were obtained using N-alkyl-3-haloderivatives. The best method proved to be the oxidative coupling on 3-unsubstituted indole derivative. Georg Thieme Verlag Stuttgart.

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