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1004996-09-1

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1004996-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1004996-09-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,4,9,9 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1004996-09:
(9*1)+(8*0)+(7*0)+(6*4)+(5*9)+(4*9)+(3*6)+(2*0)+(1*9)=141
141 % 10 = 1
So 1004996-09-1 is a valid CAS Registry Number.

1004996-09-1Relevant articles and documents

Total synthesis of (±)-merrilactone A

He, Wei,Huang, Jie,Sun, Xiufeng,Frontier, Alison J.

, p. 300 - 308 (2008/09/18)

The total synthesis of racemic merrilactone A (a neurotrophic agent) is described, featuring simultaneous and stereospecific creation of the C4 and C5 Stereocenters via a notable silyloxyfuran Nazarov cyclization. Full details of the successful synthetic strategy are given, as well as several examples of the interesting reactivity of intermediates that were prepared and studied during the execution of the total synthesis. A detailed investigation of the Lewis acid-catalyzed Nazarov cyclization of silyloxyfurans was conducted, including a systematic study of substrate scope and limitations. In addition, experiments were conducted that suggest the participation of Lewis acidic silicon species in the Nazarov cyclization.

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