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2(3H)-Benzofuranone, 3,3,7-trimethyl-5-[(trimethylsilyl)oxy]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140901-58-2

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140901-58-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140901-58-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,9,0 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 140901-58:
(8*1)+(7*4)+(6*0)+(5*9)+(4*0)+(3*1)+(2*5)+(1*8)=102
102 % 10 = 2
So 140901-58-2 is a valid CAS Registry Number.

140901-58-2Downstream Products

140901-58-2Relevant academic research and scientific papers

Alkylation of Quinones by O-Silylated Ketene Acetals in LiClO4/Ether as Reaction Medium

Ipaktschi, Junes,Heydari, Akbar

, p. 1513 - 1516 (2007/10/02)

O-Silylated ketene acetals (2, 5) undergo 1,4-conjugative addition to α,β-unsaturated carbonyl systems of quinones 1 in the presence of lithium perchlorate in ether to form 2(3H)-benzofuranones 3.Key Words: Quinones / Ketene acetals, O-silylated / Mukaiyama reaction / 2(3H)-Benzofuranone / Homogentisic acid

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