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(E)-6'-benzylidene-4a'-methyl-4',4a',7',8'-tetrahydro-3'H-spiro[[1,3]dithiolane-2,2'-naphthale n]-5'(6'H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1289642-55-2

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1289642-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289642-55-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,6,4 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1289642-55:
(9*1)+(8*2)+(7*8)+(6*9)+(5*6)+(4*4)+(3*2)+(2*5)+(1*5)=202
202 % 10 = 2
So 1289642-55-2 is a valid CAS Registry Number.

1289642-55-2Downstream Products

1289642-55-2Relevant academic research and scientific papers

Structural requirements of (E)-6-benzylidene-4a-methyl-4,4a,5,6,7,8- hexahydronaphthalen-2(3H)-one derivatives as novel melanogenesis inhibitors

Thanigaimalai, Pillaiyar,Lee, Ki-Cheul,Sharma, Vinay K.,Rao, Eeda Vekateswara,Roh, Eunmiri,Kim, Youngsoo,Jung, Sang-Hun

supporting information; experimental part, p. 1922 - 1925 (2011/04/24)

Chalcone type compound 1a ((E)-6′-benzylidene-4a′-methyl- 4′,4a′,7′,8′-tetrahydro-3′H-spiro[[1,3] dithiolane-2,2′-naphthalen]-5′(6′H)-one) was discovered as an potent inhibitor in melanogenesis. To define its structure-activity relationship, a series of a

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