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Check Digit Verification of cas no

The CAS Registry Mumber 72853-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,5 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72853-74:
(7*7)+(6*2)+(5*8)+(4*5)+(3*3)+(2*7)+(1*4)=148
148 % 10 = 8
So 72853-74-8 is a valid CAS Registry Number.

72853-74-8Downstream Products

72853-74-8Relevant academic research and scientific papers

Transition metal-free cyclobutene rearrangement in fused naphthalen-1-ones: Controlled access to functionalized quinones

Herrera, Fernando,Luna, Amparo,Fernández, Israel,Almendros, Pedro

supporting information, p. 1290 - 1293 (2020/02/04)

The controlled synthesis of 1,4-naphthoquinones and tetraphene-7,12-diones, which bear the ABCD-ring of landomycins, has been accomplished directly through oxidative rearrangement of common stable precursors, namely, previously non-isolable cyclobuta[a]naphthalen-4(2H)-ones.

Facile Photochemical Synthesis of Polycyclic Aromatic Compounds

Maruyama, Kazuhiro,Otsuki, Tetsuo,Mitsui, Kiichiro

, p. 1424 - 1428 (2007/10/02)

A variety of polycyclic aromatic quinones, which easily reduced to the corresponding aromatic hydrocarbons, were synthesized via one-pot photocycloaddition reaction of simple 2-halogenated 1,4-naphthoquinone derivatives with 1,1-disubstituted ethylenes.Th

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