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1451192-91-8

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1451192-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1451192-91-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,1,1,9 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1451192-91:
(9*1)+(8*4)+(7*5)+(6*1)+(5*1)+(4*9)+(3*2)+(2*9)+(1*1)=148
148 % 10 = 8
So 1451192-91-8 is a valid CAS Registry Number.

1451192-91-8Relevant articles and documents

Development and Scope of the Arene-Fused Domino Michael/Mannich Reaction: Application to the Total Syntheses of Aspidosperma Alkaloids (-)-Aspidospermidine, (-)-Tabersonine, and (-)-Vincadifformine

Zhao, Senzhi,Andrade, Rodrigo B.

, p. 521 - 531 (2017/04/26)

The development and application of the arene-fused domino Michael/Mannich route to the tetrahydrocarbazole (ABE) core of Aspidosperma alkaloids is described. The scope of this novel transformation was studied in terms of the nucleophilic component (i.e., N-sulfinyl metallodienamine) and the electrophilic component (i.e., Michael acceptor). The successful application of this methodology toward the concise total syntheses of classical indole alkaloids (-)-aspidospermidine, (-)-tabersonine, and (-)-vincadifformine in 10-11 steps, respectively, is also discussed.

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