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902745-30-6

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902745-30-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 902745-30-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,2,7,4 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 902745-30:
(8*9)+(7*0)+(6*2)+(5*7)+(4*4)+(3*5)+(2*3)+(1*0)=156
156 % 10 = 6
So 902745-30-6 is a valid CAS Registry Number.

902745-30-6Relevant articles and documents

Competitive formation of β-amino acids, propenoic, and ylidenemalonic acids by the Rodionov reaction from malonic acid, aldehydes, and ammonium acetate in alcoholic medium

Lebedev,Lebedeva,Sheludyakov,Kovaleva,Ustinova,Kozhevnikov

, p. 1113 - 1124 (2007/10/03)

The Rodionov reaction of 49 available aliphatic and aromatic aldehydes with malonic acid and ammonium acetate in alcoholic medium, resulting in formation of β-amino acids, propenoic, and ylidenemalonic acids, was studied. Certain regioselectivity regularities of the reaction were revealed. Among the variety of ketones studied, cyclohexanone is the only whose reaction yields a β-amino acid. Unusual dehydrofluorination of 6-chloro-2-fluorocinnamic acid under the Rodionov reaction was discovered. 2005 Pleiades Publishing, Inc.

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