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1026187-62-1

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1026187-62-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1026187-62-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,1,8 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1026187-62:
(9*1)+(8*0)+(7*2)+(6*6)+(5*1)+(4*8)+(3*7)+(2*6)+(1*2)=131
131 % 10 = 1
So 1026187-62-1 is a valid CAS Registry Number.

1026187-62-1Relevant articles and documents

Enantioselective synthesis for the (-)-antipode of the pyrazinone marine alkaloid, hamacanthin A

Jiang,Yang,Wang

, p. 4865 - 4869 (2007/10/03)

A short enantioselective total synthesis for the (-)-antipode of the antifungal marine alkaloid, hamacanthin A, (6R)-3,6-bis(6-bromoindol-3-yl)-5,6-dihydro-2(1H)-pyrazinone, is described. This synthesis proceeds through the coupling of 3-indolyl-αoxoacetyl chloride and 3-indolyl azidoethylamine, followed by intramolecular aza-Wittig type cyclization. A concise and useful approach for the synthesis of (1R)-1-(indol-3-yl)-2-azidoethylamine using the Sharpless asymmetric dihydroxylation reaction followed by stereospecific azidation is also presented.

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