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1008103-70-5

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1008103-70-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1008103-70-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,8,1,0 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1008103-70:
(9*1)+(8*0)+(7*0)+(6*8)+(5*1)+(4*0)+(3*3)+(2*7)+(1*0)=85
85 % 10 = 5
So 1008103-70-5 is a valid CAS Registry Number.

1008103-70-5Downstream Products

1008103-70-5Relevant articles and documents

Multicomponent Synthesis of Novel 2- and 3-Substituted Dihydrobenzo[1,4]oxazepinones and Tetrahydrobenzo[1,4]diazepin-5-ones and their Conformational Analysis

Banfi, Luca,Basso, Andrea,Guanti, Giuseppe,Lecinska, Paulina,Riva, Renata,Rocca, Valeria

experimental part, p. 699 - 728 (2009/09/25)

By coupling an Ugi multicomponent condensation with a Mitsunobu reaction, a series of 2- and 3-substituted dihydrobenzo[1,4]oxazepinones and tetrahydrobenzo[1,4]diazepin-5-ones was synthesized in a very convergent manner. The strategy involves the use of substituted ethanolamines as amino components and of salicylic or N-methanesulphonyl anthranilic acid as carboxylic component. The general scope has been evaluated; in some cases better results have been obtained by reverting the order of the two reactions. A thorough conformational analysis on these products has been carried out through NMR, showing that in most cases a single conformation was strongly favoured.

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