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130888-92-5

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130888-92-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130888-92-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,8,8 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130888-92:
(8*1)+(7*3)+(6*0)+(5*8)+(4*8)+(3*8)+(2*9)+(1*2)=145
145 % 10 = 5
So 130888-92-5 is a valid CAS Registry Number.

130888-92-5Downstream Products

130888-92-5Relevant articles and documents

A Facile One-Pot Synthesis of 3-Dialkoxyphosphoryl- and 3--1-hydroxyindoles

Zhang, Rongyu,Liao, Xiugao,Gao, Zhifang

, p. 801 - 802 (2007/10/02)

The one-pot reaction of dialkyl phosphites or alkyl phenylphosphonites with equimolecular amounts of 1-aryl-2-nitro-1-alkenes in an alcohol in the presence of solid potassium carbonate give the title compounds, i.e., 1-hydroxyindole-3-phosphonic or -3-phosphinic esters, respectively, in 57-88 percent yield.

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