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86531-02-4

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86531-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86531-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,5,3 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 86531-02:
(7*8)+(6*6)+(5*5)+(4*3)+(3*1)+(2*0)+(1*2)=134
134 % 10 = 4
So 86531-02-4 is a valid CAS Registry Number.

86531-02-4Relevant articles and documents

Pyramidal Bonding about Nitrogen in 1-Benzoyloxyindole determined by X-Ray Diffraction

Acheson, R. Morrin,Benn, Michael H.,Jacyno, John,Wallis, John D.

, p. 497 - 500 (1983)

The X-Ray crystal structure of 1-benzoyloxyindole (6), refined to R 0.043, shows that the bonding at nitrogen is distinctly pyramidal, the bond angle sum at nitrogen being 355 deg.

PREPARATION OF 1-HYDROXYINDOLE DERIVATIVES AND A NEW ROUTE TO 2-SUBSTITUTED INDOLES

Kawasaki, Toshiya,Kodama, Atsushi,Nishida, Tokiko,Shimizu, Kazuhisa,Somei, Masanori

, p. 221 - 227 (2007/10/02)

An easy handling method of 1-hydroxyindole is developed.Based on the method, preparation and reaction of 1-hydroxyindole derivatives are investigated.A new regioselective lithiation of 1-methoxyindole and its application for the synthesis of 2-substituted indoles are also reported.

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