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79233-07-1

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79233-07-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79233-07-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,2,3 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 79233-07:
(7*7)+(6*9)+(5*2)+(4*3)+(3*3)+(2*0)+(1*7)=141
141 % 10 = 1
So 79233-07-1 is a valid CAS Registry Number.

79233-07-1Relevant articles and documents

Acid-catalysed Intramolecular Cyclization of Geranyl Hydroquinone Derivatives from Cordia alliodora. X-Ray Crystal and Molecular Structure of 1,2,3,3a,4,9,10,10a-Octahydro-5,8-dimethoxy-3,10-dimethyl-3a,9-epoxybenzazulene

Manners, Gary D.,Wong, Rosalind Y.

, p. 1849 - 1854 (2007/10/02)

The aqueous acid-catalysed intramolecular cyclization of dimethylated alliodorin (2) obtained from the heartwood of Cordia alliodora has been characterized by X-ray analysis as the unusual tetracyclic di-O-methyl hydroquinone title compound (8).A new synthesis of di-O-methylalliodorin (2) from a terminal methylallylic sulphide derivative of 2-geranil-1,4-dimethoxybenzene is described. Crystals of the title compound (8) are monoclinic, space group P21/c, unit cell dimensions a = 14.984(7), b = 5.206(4), c = 20.131(9) Angstroem, β = 99.77(1) deg, Z = 4.The structure was solved by direct methods and refined by least-squares calculations to an R value of 0.078 for 1 832 independent reflections measured on a diffractometer using Cu-Kα radiation.

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