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1231240-09-7

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1231240-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1231240-09-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,1,2,4 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1231240-09:
(9*1)+(8*2)+(7*3)+(6*1)+(5*2)+(4*4)+(3*0)+(2*0)+(1*9)=87
87 % 10 = 7
So 1231240-09-7 is a valid CAS Registry Number.

1231240-09-7Upstream product

1231240-09-7Downstream Products

1231240-09-7Relevant articles and documents

KINETIC RESOLUTION

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Page/Page column 34, (2011/06/26)

Whilst methodologies for the Kinetic Resolution of alcohols are well established, no analogous direct methods exist for the highly selective, direct catalytic Kinetic Resolution of thiols (i.e., R-SH). The present invention relates to a method for resolving stereoisomeric mixtures of thiols. In particular, the present invention relates to purely organocatalytic mediated resolution of enantiomeric mixtures of thiols without the need for enzymes. Also disclosed are some novel catalysts. Such catalysts may comprise a cinchona alkaloid-derived moiety.

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