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218899-30-0

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218899-30-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218899-30-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,8,9 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 218899-30:
(8*2)+(7*1)+(6*8)+(5*8)+(4*9)+(3*9)+(2*3)+(1*0)=180
180 % 10 = 0
So 218899-30-0 is a valid CAS Registry Number.

218899-30-0Downstream Products

218899-30-0Relevant articles and documents

A facile synthesis of 2-substituted isoflavones for immunoassay: Assembly of the isoflavonoid skeleton by means of a novel cyclisation reaction

Pelter, Andrew,Ward, Robert S.,Whalley, Jacqueline L.

, p. 1793 - 1802 (2007/10/03)

For the purpose of the development of immunoassays for wide-scale screening, isoflavones suitable for attachment to a hapten were prepared. A new cyclisation reaction allowed the direct conversion of 2- (acyloxy)deoxybenzoins to 2-alkylisoflavones by treatment with chlorotrimethylsilane and triethylamine in dimethylformamide.

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