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135127-69-4

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135127-69-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135127-69-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,1,2 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 135127-69:
(8*1)+(7*3)+(6*5)+(5*1)+(4*2)+(3*7)+(2*6)+(1*9)=114
114 % 10 = 4
So 135127-69-4 is a valid CAS Registry Number.

135127-69-4Relevant articles and documents

Untersuchungen zur Chemie von Isoindolen und Isoindoleninen, XXXVIII. 3-Alkoxy-1H-isoindole mit Substituenten am 5-Ring - Heterocycliche Imidsaeureester mit fixierter benzoider Struktur.

Kreher, Richard P.,Hennige, Hans,Konrad, Michael,Uhrig, Juergen,Clemens, Andrea

, p. 809 - 828 (2007/10/02)

3-Alkoxy-1H-isoindoles bearing substituents at the five-membered ring have been synthesized starting with substituted isoindoline-1-ones via regiospecific O-alkylation with trialkyl oxonium tetrafluoroborates or alkyl trifluoromethanesulfonates and subsequent NH-deprotonation.The dependence of spectroscopic properties on the substituents has been investigated.The heterocyclic imidates exist exclusively in the benzenoid 1H-structure; the tautomeric o-quinonoid 2H-form cannot be detected by spectroscopic means.

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