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161391-08-8

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161391-08-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161391-08-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,3,9 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 161391-08:
(8*1)+(7*6)+(6*1)+(5*3)+(4*9)+(3*1)+(2*0)+(1*8)=118
118 % 10 = 8
So 161391-08-8 is a valid CAS Registry Number.

161391-08-8Upstream product

161391-08-8Relevant academic research and scientific papers

Studies towards the synthesis of esperamicinone

Clark, David A.,De Riccardis, Francesco,Nicolaou, Kyriacos C.

, p. 11391 - 11426 (1994)

A strategy is presented for the synthesis of esperamicinone (3), the aglycone of esperamicin A1. The route is based on an asymmetric epoxidation of a quinone monoketal. Two approaches for the installation of the vinylogous urethane are describe

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