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869800-29-3

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869800-29-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 869800-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,8,0 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 869800-29:
(8*8)+(7*6)+(6*9)+(5*8)+(4*0)+(3*0)+(2*2)+(1*9)=213
213 % 10 = 3
So 869800-29-3 is a valid CAS Registry Number.

869800-29-3Relevant articles and documents

Practical asymmetric preparation of azetidine-2-carboxylic acid

Couty, Francois,Evano, Gwilherm,Vargas-Sanchez, Monica,Bouzas, Gloria

, p. 9028 - 9031 (2007/10/03)

Facile and straightforward syntheses of both enantiomers of azetidine-2-carboxylic acid are described. The syntheses depart from inexpensive chemicals and allow for the production, in five to six steps, of practical quantities of each enantiomer. Synthetic highlights include the construction of the azetidine ring using an intramolecular alkylation and the use of optically active α-methylbenzylamine as chiral auxiliary.

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