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130413-09-1

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130413-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130413-09-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,4,1 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 130413-09:
(8*1)+(7*3)+(6*0)+(5*4)+(4*1)+(3*3)+(2*0)+(1*9)=71
71 % 10 = 1
So 130413-09-1 is a valid CAS Registry Number.

130413-09-1Relevant articles and documents

Photocyclisations de cetoacetals aromatiques en vue d'une approche synthetique de la crombenine

Cottet, Francoise,Cottier, Louis,Descotes, Gerard

, p. 1251 - 1257 (2007/10/02)

Combenin 1 is a spiropeltogynoid compound with a spiroacetal moiety.A similar structure was synthesized starting from and orthocarbonylphenoxyisochroman by a Norrish type II photocyclisation.With an isochroman compound, the aromatic ring induces benzyl ra

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