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900572-43-2

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900572-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 900572-43-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,5,7 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 900572-43:
(8*9)+(7*0)+(6*0)+(5*5)+(4*7)+(3*2)+(2*4)+(1*3)=142
142 % 10 = 2
So 900572-43-2 is a valid CAS Registry Number.
InChI:InChI=1/C11H15NO/c1-9-4-2-3-5-11(9)13-10-6-7-12-8-10/h2-5,10,12H,6-8H2,1H3/t10-/m0/s1

900572-43-2Downstream Products

900572-43-2Relevant articles and documents

Convenient preparation of optically pure 3-aryloxy-pyrrolidines

Benard, Christophe,Mohammad, Rahim,Saraswat, Neerja,Shan, Rudong,Maiti, Samarendra N.,Wuts, Peter G. M.,Stier, Michael,Lints, Teresa,Bradow, James,Schwarz, Jacob B.

, p. 517 - 524 (2008/04/12)

Chiral 3-methanesulfonyl-1-Boc-pyrrolidine and piperidine were reacted with sodium phenolates, resulting in a mixture of displacement and elimination products. Following carbamate deprotection and pH adjustment, the 3-pyrroline and tetrahydropyridine by-products resulting from elimination were easily removed through aqueous partitioning and/or concentration. Although the pyrrolidines were formed with a high degree of optical purity, slight racemization was observed for the piperidine case because elevated temperatures were required to effect displacement. Copyright Taylor & Francis Group, LLC.

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