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5,6-methylenedioxy-4',5'-dimethoxy-2'-(2-hydroxymethylphenyloxycarbonyl)-2-biphenylcarboxylic acid lactone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133241-30-2

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133241-30-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133241-30-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,2,4 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133241-30:
(8*1)+(7*3)+(6*3)+(5*2)+(4*4)+(3*1)+(2*3)+(1*0)=82
82 % 10 = 2
So 133241-30-2 is a valid CAS Registry Number.

133241-30-2Relevant academic research and scientific papers

A new synthesis of unsymmetrical diphenic acid derivatives: Template-directed intramolecular Ullmann coupling reaction

Takahashi, Masami,Kuroda, Tooru,Ogiku, Tsuyosi,Ohmizu, Hiroshi,Kondo, Kazuhiko,Iwasaki, Tameo

, p. 6919 - 6922 (1991)

Intramolecular Ullmann coupling reaction of the diesters (6, 9), which were prepared by regioselective acylation of salicyl alcohol by using the two different substituted 2-iodobenzoyl chlorides, afforded the unsymmetrical diphenic acid derivatives (7, 10

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