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3,3',5,5'-tetraacetyl-2,2',4,4'-tetra-O-methyl-diphenylmethane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

84422-50-4

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84422-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84422-50-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,2 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84422-50:
(7*8)+(6*4)+(5*4)+(4*2)+(3*2)+(2*5)+(1*0)=124
124 % 10 = 4
So 84422-50-4 is a valid CAS Registry Number.

84422-50-4Relevant academic research and scientific papers

Homobiflavonoids from 5-Acetyl- and 3-Acetyl-resacetophenones

Mohan, Santosh Bala,Pal, Krishan,Murti, V. V. S.

, p. 714 - 717 (2007/10/02)

Reaction of 5- and 3-acetyl-resacetophenones with formaldehyde under acidic conditions yields the bis-methylene derivatives (V) and (XIa), respectively in good yields.These have been condensed with benzaldehyde to obtain the corresponding chalkones, which

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