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80433-84-7

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80433-84-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80433-84-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,4,3 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80433-84:
(7*8)+(6*0)+(5*4)+(4*3)+(3*3)+(2*8)+(1*4)=117
117 % 10 = 7
So 80433-84-7 is a valid CAS Registry Number.

80433-84-7Relevant articles and documents

Synthesis and Spontaneous Racemization of Benzanthracene 3,4-Oxide: Photochemical Oxygen-walk Rearrangements of Arene Oxides of Benzanthracene and Triphenylene to Yield Oxepines

Boyd, Derek R.,Sharma, Narain D.,Agarwal, Shiv K.,Gadaginamath, Guru S.,O'Kane, Gerard A.,et al.

, p. 423 - 430 (2007/10/02)

Benzanthracene 3,4-oxide 2, when synthesised from optically pure dibromo ester precursors, was found to have racemized spontaneously and was accompanied by anthraoxepine 14.Photoisomerization of benzanthracene 3,4-oxide 2, triphenylene 1,2-oxide 4 and benzanthracene 1,2-oxide 5 proceeds via an oxygen-walk mechanism to yield anthraoxepine 14, phenanthrooxepine 16 and anthraoxepine 17 respectively.

Synthesis of the Enantiomeric Bay-Region Diol Epoxides of Benzanthracene and Chrysene

Yagi, Haruhiko,Vyas, Kamlesh P.,Tada, Masao,Thakker, Dhiren R.,Jerina, Donald M.

, p. 1110 - 1117 (2007/10/02)

Both trans-3,4-dihydroxy-3,4-dihydrobenzanthracene and trans-1,2-dihydroxy-1,2-dihydrochrysene are known proximate carcinogens of their respective hydrocarbons.The present study describes the synthesis of their (+)- and (-)-enantiomers as well as the d

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