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1217298-38-8

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1217298-38-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1217298-38-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,2,9 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1217298-38:
(9*1)+(8*2)+(7*1)+(6*7)+(5*2)+(4*9)+(3*8)+(2*3)+(1*8)=158
158 % 10 = 8
So 1217298-38-8 is a valid CAS Registry Number.

1217298-38-8Downstream Products

1217298-38-8Relevant articles and documents

Enantiopure tert-butyl(phenyl)phosphine oxide. Chirality-recognition ability and mechanism

Ribeiro, Nigel,Saigo, Kazuhiko

experimental part, p. 2704 - 2708 (2010/04/29)

When enantiopure tert-butyl(phenyl)phosphine oxide 1 was used as a resolving agent, it showed an acceptable to good chirality-recognition ability for several kinds of racemic carboxylic acids 2. A study on a chirality-recognition mechanism based on X-ray crystallographic analyses of the diastereomeric complexes of 2 with 1 revealed that the complex crystals consisted of helical columns and that 1 was not responsible for the formation of the helical column and occupied a void between the columns; although 1 interacted with 2 via a hydrogen bond to primarily form a pair with 2, the complex crystals were mainly stabilized by the accumulation of weak interactions, such as CH/π, π/π and CH...O interactions, between 1/1, 1/2 and 2/2.

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