Cas 2430-55-9,7-ethoxy-carbonylmethoxyflavanone

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Check Digit Verification of cas no

The CAS Registry Mumber 2430-55-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,3 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2430-55:
(6*2)+(5*4)+(4*3)+(3*0)+(2*5)+(1*5)=59
59 % 10 = 9
So 2430-55-9 is a valid CAS Registry Number.

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2430-55-9Relevant articles and documents

7-Hydroxyflavanone (I) and 7-Ethoxy-carbonylmethoxyflavanone (II)

Kendi, Engin,Oezbey, Sueheyla,Ertan, Rahmiye,Fun, Hoong-Kun,Yip, Boon-Chuan

, p. 1880 - 1883 (1995)

The γ-pyrone rings in both of the title molecules, 2,3-dihydro-7-hydroxy-2-phenyl-4H-1-benzopyran-4-one, C15H12O3, (I), and ethyl (2,3-dihydro-2-phenyl-4-oxo-4H-1-benzopyran-7-yl)oxyacetate, C19H18O5, (II), adopt a C(2)-sofa conformation.In (I), the pheny

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CAS

2430-55-9