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24513-10-8

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24513-10-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24513-10-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,5,1 and 3 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 24513-10:
(7*2)+(6*4)+(5*5)+(4*1)+(3*3)+(2*1)+(1*0)=78
78 % 10 = 8
So 24513-10-8 is a valid CAS Registry Number.

24513-10-8Relevant articles and documents

Regiospecific electrocyclization of β-arylvinyl ketenimines. Formal syntheses of the alkaloid from marine origin aaptamine

Molina, Pedro,Vidal, Angel,Barquero, Isidora

, p. 1199 - 1202 (2007/10/03)

Preparation of 6,7-dimethoxy-1-methyl-8-nitroisoquinoline and 6,7-dimethoxy-1-methylisoquinoline, used as precursors in the synthesis of the alkaloid aaptamine, is reported. The method is based on the regiospecific electrocyclization of the appropriate β-arylvinyl ketenimine available by aza-Wittig reaction of the corresponding vinyl iminophosphorane with (trimethylsilyl)ethenone.

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