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5284-13-9

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5284-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5284-13-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,8 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5284-13:
(6*5)+(5*2)+(4*8)+(3*4)+(2*1)+(1*3)=89
89 % 10 = 9
So 5284-13-9 is a valid CAS Registry Number.

5284-13-9Relevant articles and documents

A Highly Regioselective Reaction of Allylic Acetates with Silylated Carbon Nucleophiles Directed by a Sulfenyl Group. Scope, Limitation, and Mechanistic Aspects

Kudo, Kazuaki,Hashimoto, Yukihiko,Houchigai, Hitoshi,Hasegawa, Masaki,Saigo, Kazuhiko

, p. 848 - 856 (2007/10/02)

α-(Sulfenylmethyl)allyl acetates reacted with silylated carbon nucleophiles in the presence of a catalytic amount of TMSOTf to give products substituted at the α-position of the sulfenylmethyl group in moderate to good yields with high regioselectivity.The theoretical calculation on an intermediate cationic species indicated that an episulfonium ion was a stable form; the observed regioselectivity was rationalized qualitatively on the basis of the coefficients of LUMO of the cation.Some transformations of the products were also demonstrated.

Reaction of Alkoxides with (Phenylthio)carbene: A Novel Oxyanionic Substituent Effect on the C-H Insertion of Carbenes

Harada, Toshiro,Oku, Akira

, p. 5965 - 5967 (2007/10/02)

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