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18086-43-6

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18086-43-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18086-43-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,0,8 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18086-43:
(7*1)+(6*8)+(5*0)+(4*8)+(3*6)+(2*4)+(1*3)=116
116 % 10 = 6
So 18086-43-6 is a valid CAS Registry Number.

18086-43-6Upstream product

18086-43-6Relevant articles and documents

Synthetic approaches to the hypothetical lactone intermediate in the pyrolytic conversion of 8-methylcyclobuta[a]naphthalene-1,2-dione into acenaphthylene

Brown, Roger F.C.,Eastwood, Frank W.,Wong, Neil R.

, p. 793 - 800 (2007/10/03)

Synthetic approaches to the hypothetical lactone intermediate 8,8a-dihydro-2H-acenaphtho[1,8-bc]furan-2-one (2) based on intramolcular Diels-Alder reaction, and on intramolecular alkylation by diazoacetate groups, were not useful. Generation and pyrolysis of the 9-diazomethylnaphtho[1,2-c]furan-3(1H)-one (19) derived from the corresponding 9-formyl compound (15) gave products including acenaphthylene, consistent with the intermediacy of the lactone (2).

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