(2S)-3'-formyl-4,5,6,8,9,9'-hexamethoxy-6',7'-dihydrospiro[2H-benz[f]indene-2,8'-8'H-cyclopent[g]isoquinoline]-1,1',(2'H),3-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 225090-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,5,0,9 and 0 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 225090-40: (8*2)+(7*2)+(6*5)+(5*0)+(4*9)+(3*0)+(2*4)+(1*0)=104 104 % 10 = 4 So 225090-40-4 is a valid CAS Registry Number.
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