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131866-19-8

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131866-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131866-19-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,8,6 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131866-19:
(8*1)+(7*3)+(6*1)+(5*8)+(4*6)+(3*6)+(2*1)+(1*9)=128
128 % 10 = 8
So 131866-19-8 is a valid CAS Registry Number.

131866-19-8Downstream Products

131866-19-8Relevant articles and documents

p-Toluenesulfonic acid mediated hydroarylation of cinnamic acids with anisoles and phenols under metal and solvent-free conditions

Jagdale, Arun R.,Sudalai, Arumugam

, p. 4895 - 4898 (2008/02/08)

Hydroarylation of cinnamic acids with anisoles and phenols mediated by p-toluenesulfonic acid (p-TSA) under metal and solvent-free conditions gave 3-(4-methoxyphenyl)-3-phenylpropanoic acids and dihydrocoumarins, respectively, in high yields and excellent selectivity.

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