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503071-46-3

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503071-46-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503071-46-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,0,7 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 503071-46:
(8*5)+(7*0)+(6*3)+(5*0)+(4*7)+(3*1)+(2*4)+(1*6)=103
103 % 10 = 3
So 503071-46-3 is a valid CAS Registry Number.

503071-46-3Relevant articles and documents

Pincer Ruthenium Catalyzed Intramolecular Silylation of C(sp 2)-H Bonds

Fang, Huaquan,He, Qiaoxing,Liu, Guixia,Huang, Zheng

supporting information, p. 2468 - 2472 (2017/11/04)

Reported herein is a highly efficient intramolecular silylation of aromatic C-H bonds catalyzed by a pincer ruthenium complex, giving benzoxasiloles under relatively mild reaction conditions with broad substrate scope and low catalyst loadings. The silylation product can be further converted into a biaryl product by Pd-catalyzed HiyamaDenmark cross-coupling reactions.

Meta-selective C-H functionalization using a nitrile-based directing group and cleavable Si-tether

Lee, Sunggi,Lee, Hyelee,Tan, Kian L.

supporting information, p. 18778 - 18781 (2014/01/06)

A nitrile-based template that enables meta-selective C-H bond functionalization was developed. The template is applicable to a range of substituted arenes and tolerates a variety of functional groups. The directing group uses a silicon atom for attachment

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