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43227-88-9

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43227-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 43227-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,2,2 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 43227-88:
(7*4)+(6*3)+(5*2)+(4*2)+(3*7)+(2*8)+(1*8)=109
109 % 10 = 9
So 43227-88-9 is a valid CAS Registry Number.

43227-88-9Relevant articles and documents

UNE APPROCHE DE SYNTHESE DE L'ENTEROCINE ADDITION DE CARBANIONS α-SOUFRES SUR LE QUINIDE.

Flores-Parra, Angelina,Khuong-Huu, Francoise

, p. 5925 - 5930 (2007/10/02)

Chemical transformation of the γ-lactonic function of quinide in a keto-2 δ-lactone, by addition of α-thiocarbanions, has been studied, as an approach of synthesis of enterocine 1.The addition of acetophenone anion on the keto group of a α-keto ester has

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