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205440-54-6

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205440-54-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205440-54-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,4 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 205440-54:
(8*2)+(7*0)+(6*5)+(5*4)+(4*4)+(3*0)+(2*5)+(1*4)=96
96 % 10 = 6
So 205440-54-6 is a valid CAS Registry Number.

205440-54-6Downstream Products

205440-54-6Relevant articles and documents

An applied stereocontrolled synthesis of piperidine derivative utilizing diastereoselective reaction of chiral 1,3-oxazolidine with grignard reagent; Asymmetric synthesis of an alkaloid, (-) sed amine

Poerwono, Hadi,Higashiyama, Kimio,Takahashi, Hiroshi

, p. 263 - 270 (2007/10/03)

A facile total synthesis of enantiomerically pure (-)-sedamine, known as a naturally occurring alkaloid, was accomplished by use of the diastereo-selective addition of Grignard reagent to a chiral 1,3-oxazolidine, and utilizing of 1-aza-4-oxabicyclo[4.3.0

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