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125575-41-9

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125575-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125575-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,5,7 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 125575-41:
(8*1)+(7*2)+(6*5)+(5*5)+(4*7)+(3*5)+(2*4)+(1*1)=129
129 % 10 = 9
So 125575-41-9 is a valid CAS Registry Number.

125575-41-9Downstream Products

125575-41-9Relevant articles and documents

SYNTHESE PAR REACTION SRN1 DE PHENYL-2 NAPHTALENES ET DE BINAPHTALENES-2,2' DISSYMETRIQUES ET SUBSTITUES SUR LES POSITIONS ADJACENTES A LA LIAISON DES CYCLES. ROLE DES FACTEURS STRUCTURAUX

Beugelmans, Rene,Bois-Choussy, Michele,Tang, Qian

, p. 4203 - 4212 (2007/10/02)

Phenyl-2 naphthalenes and unsymmetrical 2,2'-binaphtyl derivatives, substituted on positions adjacent to the ring linkage are obtained by a one pot sequence: o-bromophenylketone coupling with aryl ketone derived enolates under SRN1 conditions followed by an intramolecular aldol reaction.Steric hindrance of the nucleophilic site is the main yield limiting factor of the first reaction and therefore of the overall yield of the title biaryls.

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