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78303-39-6

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78303-39-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78303-39-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,0 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78303-39:
(7*7)+(6*8)+(5*3)+(4*0)+(3*3)+(2*3)+(1*9)=136
136 % 10 = 6
So 78303-39-6 is a valid CAS Registry Number.

78303-39-6Downstream Products

78303-39-6Relevant articles and documents

REACTION OF ALLYLSILANE WITH α-NITRO OLEFIN AND ITS DEVELOPMENT TO SYNTHESIS OF CYCLOPENTENONE

Ochiai, Masahito,,Arimoto, Masao,Fujita, Eiichi

, p. 1115 - 1118 (2007/10/02)

Michael addition of allylsilane to α-nitro olefin in the presence of AlCl3 proceeded smoothly at low temperature to give unsaturated nitronic acid, which was converted into the γδ-enone using aqueous Ti (III).Transformation of the enone into the 1,4-diketone followed by the intramolecular aldol condensation with the latter provided a convenient new synthesis of cyclopentanone.

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