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7-(4-chlorophenyl)-1,3,4,8-tetraphenyl-1,2,7,9-tetraazaspiro[4,4]nona-2,8-dien-6-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1287785-91-4

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1287785-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1287785-91-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,7,7,8 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1287785-91:
(9*1)+(8*2)+(7*8)+(6*7)+(5*7)+(4*8)+(3*5)+(2*9)+(1*1)=224
224 % 10 = 4
So 1287785-91-4 is a valid CAS Registry Number.

1287785-91-4Downstream Products

1287785-91-4Relevant academic research and scientific papers

Regioselectivity of nitrilimines 1,3-dipolar cycloaddition: Novel synthesis of spiro[4,4]nona-2,8-dien-6-one derivatives

Miqdad, Omar A.,Abunada, Nada M.,Hassaneen, Hamdi M.

experimental part, p. 131 - 136 (2011/10/08)

Regioselective 1,3-dipolar cycloaddition of nitrilimines (generated in situ from dehydrohalogenation of the corresponding hydrazonoyl halides by the action of triethylamine) with 4-arylidene-1-aryl-2-phenyl-1H-imidazol-5(4H)-one 3 afforded the correspondi

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