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20993-77-5

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20993-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20993-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,9 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20993-77:
(7*2)+(6*0)+(5*9)+(4*9)+(3*3)+(2*7)+(1*7)=125
125 % 10 = 5
So 20993-77-5 is a valid CAS Registry Number.

20993-77-5Downstream Products

20993-77-5Relevant articles and documents

Epimerization of 2- or 4- substituted cyclohexanecarboxylic acids

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, (2008/06/13)

The present invention relates to a new method for obtaining a purity of about 93% to 100% of the trans form of 2- or 4-substituted cyclohexanecarboxylic acid or reactive derivatives thereof from the cis form or a mixture of the cis and trans forms by a single step, particularly, to a method for obtaining a purity of substantially 100% of the trans form of 4-substituted cyclohexanecarboxylic acid.

Preparation and anticancer activity of 2-diethylaminoethyl-cis- and -trans-methylcyclohexanecarboxylates.

Harmon,Meulman,Gupta

, p. 871 - 872 (2007/10/06)

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