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92714-82-4

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92714-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92714-82-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,7,1 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 92714-82:
(7*9)+(6*2)+(5*7)+(4*1)+(3*4)+(2*8)+(1*2)=144
144 % 10 = 4
So 92714-82-4 is a valid CAS Registry Number.

92714-82-4Downstream Products

92714-82-4Relevant articles and documents

Convenient Synthesis of 3-Aminocoumarin Derivatives by the Condensation of 1,4-Diacetyl- or 3-Substituent-2,5-piperazinediones with Various Salicylaldehyde Derivatives

Shin, Chung-gi,Nakajima, Yoshiharu,Haga, Toshiya,Sato, Yoshiaki

, p. 3917 - 3924 (1986)

The condensation of 1,4-diacetyl- or 3-substituted 2,5-piperazinediones (PDO) with various salicylaldehyde derivatives in the presence of a base, such as potassium t-butoxide or triethylamine, was found to give two extremely different kind of products: 1-acetyl-3-arylmethylene-PDO and 3-(acylamino)coumarin derivatives.The former, which has a (Z)-geometric structure, was readily converted to the latter by irradiation.Furthermore, the conversion mechanism and the structural confirmation are discussed.

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