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114605-64-0

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114605-64-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 114605-64-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,6,0 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 114605-64:
(8*1)+(7*1)+(6*4)+(5*6)+(4*0)+(3*5)+(2*6)+(1*4)=100
100 % 10 = 0
So 114605-64-0 is a valid CAS Registry Number.

114605-64-0Relevant articles and documents

The Structure and Synthesis of the Novel Orchid Pigments Dengibsin and Dengibsinin

Sargent, Melvyn V.

, p. 2553 - 2564 (2007/10/02)

The structures of the orchid pigments dengibsin and dengibsinin have been revised to 2,5-dihydroxy-4-methoxy-9H-fluoren-9-one (4) and 3,5-dihydroxy-2,4-dimethoxy-9H-fluoren-9-one (5).The synthesis of these compounds is described.It has been found that 2'-methoxybiphenyl-2-carboxylic acids, on treatment with trifluoroacetic anhydride or oxalyl chloride, undergo cyclization giving 6H-dibenzopyran-6-ones.

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