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1-(5-hydroxy-7-methoxy-2,2-dimethyl-chroman-8-yl)-2-(4-methoxy-phenyl)-ethanone is a complex organic compound with a molecular formula of C21H22O5. It is characterized by a chroman-8-yl group, which is a type of chromone with a hydroxyl group at position 5 and a methoxy group at position 7, attached to a 2,2-dimethyl group. The molecule also features a 4-methoxy-phenyl group, which is a phenyl ring with a methoxy group at position 4, connected to the chroman-8-yl group through an ethanone linker. 1-(5-hydroxy-7-methoxy-2,2-dimethyl-chroman-8-yl)-2-(4-methoxy-phenyl)-ethanone is known for its potential applications in the pharmaceutical and chemical industries, particularly in the synthesis of certain drugs and as a precursor in organic synthesis. Its structure and properties make it a versatile building block for the development of new compounds with various biological activities.

5304-66-5

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5304-66-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5304-66-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,0 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5304-66:
(6*5)+(5*3)+(4*0)+(3*4)+(2*6)+(1*6)=75
75 % 10 = 5
So 5304-66-5 is a valid CAS Registry Number.

5304-66-5Downstream Products

5304-66-5Relevant academic research and scientific papers

Synthesis of Phenacylbenzodihydropyrans

Rao, K. S. R. Mohan,Iyer, C. S. Rukmani,Iyer, P. R.

, p. 676 - 678 (2007/10/02)

Benzodihydropyrans (I-III) on reaction with phenacetonitriles (IVa-c) in the presence of zinc chloride and dry hydrogen chloride under Hoesch reaction conditions give 6-phenacylbenzodihydropyrans (Va-c) in case of I, 6-(VIa-c)- and 8-(VIIa-c)-phenacyl derivatives with II and 6-(VIIIa-c)-and 8-(IXa-c)-phenacyl derivatives and 6,8-diphenacyl derivatives (Xa-c) with III.

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