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223394-03-4

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223394-03-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223394-03-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,3,9 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 223394-03:
(8*2)+(7*2)+(6*3)+(5*3)+(4*9)+(3*4)+(2*0)+(1*3)=114
114 % 10 = 4
So 223394-03-4 is a valid CAS Registry Number.

223394-03-4Relevant articles and documents

Asymmetric approaches to 2-hydroxymethylquinuclidine derivatives

Lygo,Crosby,Lowdon,Wainwright

, p. 2795 - 2810 (1999)

Highly enantio- and diastereoselective routes to 2- hydroxymethylquinuclidines have been developed. Key steps involve the use of Sharpless dihydroxylation or Sharpless epoxidation to introduce the asymmetry with high stereocontrol, and formation of the quinuclidine ring systems via cyclisation of epoxy amines.

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