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1438892-22-8

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1438892-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1438892-22-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,8,8,9 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1438892-22:
(9*1)+(8*4)+(7*3)+(6*8)+(5*8)+(4*9)+(3*2)+(2*2)+(1*2)=198
198 % 10 = 8
So 1438892-22-8 is a valid CAS Registry Number.

1438892-22-8Downstream Products

1438892-22-8Relevant academic research and scientific papers

Total synthesis of (±)-gelsemoxonine

Diethelm, Stefan,Carreira, Erick M.

, p. 8500 - 8503 (2013)

Gelsemoxonine (1) is a Gelsemium alkaloid incorporating an unusual azetidine. Its total synthesis was achieved employing a novel ring contraction of a spirocyclopropane isoxazolidine to furnish a β-lactam intermediate. This β-lactam ring was further elabo

Total Synthesis of Gelsemoxonine through a Spirocyclopropane Isoxazolidine Ring Contraction

Diethelm, Stefan,Carreira, Erick M.

, p. 6084 - 6096 (2015/05/27)

Plants of the species Gelsemium have found application in traditional Asian medicine for over a thousand years. Gelsemoxonine represents a novel constituent of this plant incorporating a highly functionalized azetidine at its core. We herein report a full

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