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110811-21-7

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110811-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 110811-21-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,8,1 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 110811-21:
(8*1)+(7*1)+(6*0)+(5*8)+(4*1)+(3*1)+(2*2)+(1*1)=67
67 % 10 = 7
So 110811-21-7 is a valid CAS Registry Number.

110811-21-7Relevant articles and documents

The Preparation and Absolute Configuration of the Optically Active Forms of the Diastereoisomers of 2-(1-Phenylethyl)amino-1-phenylethanol and Their Use as Chiral Auxiliaries in the Asymmetric Reduction of Acetophenone with Modified Lithium Aluminium Hydrides

Garry, Scott W.,Neilson, Douglas G.

, p. 601 - 606 (2007/10/02)

(1S,2S)-(-)-2-(1-Phenylethyl)amino-1-phenylethanol (4b) (α-form) and the (1S,2R)-(+)-diastereoisomer (4f) (β-form) were prepared by lithium aluminium hydride reduction of the optically active amides derived from the appropriate mandelic acids and 1-phenylethylamines.The preparative methods give the absolute stereochemistry.The aminoethanols (4) were used along with the lower alcohols to prepare chirally modified lithium aluminium hydrides which were in turn used to reduce acetophenone.The optical yields varied, giving at best, under low temperature conditions and use of a 25 percent optical yield.

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