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65490-06-4

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65490-06-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65490-06-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,4,9 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 65490-06:
(7*6)+(6*5)+(5*4)+(4*9)+(3*0)+(2*0)+(1*6)=134
134 % 10 = 4
So 65490-06-4 is a valid CAS Registry Number.

65490-06-4Relevant articles and documents

A simple synthesis of hydroxyisoflavanones

Gouda,Grover

, p. 142 - 144 (2007/10/03)

The isoflavanoids 7-hydroxyisoflavanone 4a, 7-hydroxy-3′, 4′-dimethoxyisoflavanone 4b, 5, 7-dihydroxy-3′, 4′-dimethoxyisoflavanone 4c, 5, 7-dihydroxy-2′-methoxyisoflavanone 4d, 5, 7-dihydroxy-3′, 4′-dimethoxyisoflavanone 4e and 5, 7-dihydroxy-4′-methoxyisoflavanone 4f have been conveniently prepared by using paraforomaldehyde and diethylamine as a base.

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