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683764-60-5

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683764-60-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 683764-60-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,7,6 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 683764-60:
(8*6)+(7*8)+(6*3)+(5*7)+(4*6)+(3*4)+(2*6)+(1*0)=205
205 % 10 = 5
So 683764-60-5 is a valid CAS Registry Number.

683764-60-5Upstream product

683764-60-5Relevant articles and documents

Synthesis of novel 1-aryl-substituted 8-methoxynaphthalenes and their tendency for atropisomerization

Yoshikawa, Seiji,Odaira, Jun-Ichi,Kitamura, Yuki,Bedekar, Ashutosh V.,Furuta, Takumi,Tanaka, Kiyoshi

, p. 2225 - 2234 (2007/10/03)

Novel 1-aryl-substituted 8-methoxynaphthalenes were conveniently prepared by using Suzuki-Miyaura cross-coupling as a key reaction. Chemical transformations of the coupled products gave a variety of biaryls bearing various functional groups. The optical behavior of the separated enantiomers of these derivatives was also investigated by HPLC analysis. The optical resolution and determination of absolute configuration of novel binaphtyl derivative were also described. These new compounds may have some potential as mono- or bidentate ligands for metal-catalyzed chemical transformations including asymmetric induction.

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