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84457-62-5

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84457-62-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84457-62-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,5 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 84457-62:
(7*8)+(6*4)+(5*4)+(4*5)+(3*7)+(2*6)+(1*2)=155
155 % 10 = 5
So 84457-62-5 is a valid CAS Registry Number.

84457-62-5Relevant articles and documents

Synthesis of a New Flavone

Srivastava, Savitri D.,Srivastava, Santosh K.

, p. 57 - 58 (2007/10/02)

The structure of the naturally occuring flavone 5-O-methylacacetin (I) has been confirmed by its synthesis. 5,7-Di-O-methylacacetin has been synthesised.

Syntheses of Two New Naturally Occurring Dihydrochalkones, Uvangolatin and 2',4'-Dihydroxy-4,6'-dimethoxydihydrochalkone

Bhardwaj, D. K.,Jain, R. K.,Munjal, Anita,Prashar, Meenu

, p. 476 - 477 (2007/10/02)

The structures proposed for the two naturally occurring dihydrochalkones, uvangolatin isolated from Uvaria angolensis as 2',4'-dihydroxy-6'-methoxydihydrochalkone (I) and another dihydrochalkone isolated from Iryanthera laevis as 2',4'-dihydroxy-4,6'-dime

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