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1-(7-hydroxy-5-methoxy-2,2-dimethyl-chroman-6-yl)-2-(4-methoxy-phenyl)-ethanone is a complex organic compound with a molecular formula of C21H22O5. It is characterized by a chroman-6-yl group, which is a benzopyran derivative with a hydroxyl group at the 7th position and a methoxy group at the 5th position. The compound also features a 2,2-dimethyl group, which contributes to its stability and lipophilicity. Additionally, it has a 4-methoxy-phenyl group attached to the ethanone moiety, which is a ketone functional group. This chemical structure is significant in the field of organic chemistry, particularly in the synthesis of natural products and pharmaceuticals, due to its potential biological activities and applications.

5304-64-3

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5304-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5304-64-3 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 4 respectively.
Calculate Digit Verification of CAS Registry Number 5304-64:
(6*5)+(5*3)+(4*0)+(3*4)+(2*6)+(1*4)=73
73 % 10 = 3
So 5304-64-3 is a valid CAS Registry Number.

5304-64-3Downstream Products

5304-64-3Relevant 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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