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3-phenyl-7,7,9-trimethyl-5,6-dihydro-7H-furo<3,2-g><1>benzopyran-2-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

84531-56-6

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84531-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84531-56-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,5,3 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 84531-56:
(7*8)+(6*4)+(5*5)+(4*3)+(3*1)+(2*5)+(1*6)=136
136 % 10 = 6
So 84531-56-6 is a valid CAS Registry Number.

84531-56-6Downstream Products

84531-56-6Relevant academic research and scientific papers

Synthesis of Some 6,7-Dihydroxanthyletins and Their Conversion into Dihydrofurobenzopyran-2-carboxylic Acids

Pathak, S. D.,Mujumdar, A. S.,Usgaonkar, R. N.

, p. 767 - 768 (2007/10/02)

Pechmann condensation of 7-hydroxy-2,2-dimethylchromans (I) with ethyl acetoacetate and ethyl benzoylacetate, furnishes 4-methyl- and 4-phenyl-6,7-dihydroxanthyletins (II and III) respectively in excellent yield.Brominations of these compounds gives the c

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