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160154-81-4

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160154-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 160154-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,1,5 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 160154-81:
(8*1)+(7*6)+(6*0)+(5*1)+(4*5)+(3*4)+(2*8)+(1*1)=104
104 % 10 = 4
So 160154-81-4 is a valid CAS Registry Number.

160154-81-4Relevant articles and documents

Regioselective Synthesis of Prenylisoflavones. Syntheses of Lupiwighteone, Lupiwighteone Hydrate and Related Compounds

Tsukayama, Masao,Li, He,Nishiuchi, Masaki,Takahashi, Masahumi,Kawamura, Yasuhiko

, p. 1181 - 1196 (2007/10/03)

The palladium-catalyzed coupling reaction of 4',5.7-tris(benzyloxy)-8-iodoisoflavone 11, synthesized from the 3'-iodochalcone 8, with 2-methyl-3-butyn-2-ol gave the corresponding 8-(3-hydroxy-3-methylbutynyl)isoflavone 12.Catalytic hydrogenation of 12 gav

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