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18930-29-5

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18930-29-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18930-29-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,3 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18930-29:
(7*1)+(6*8)+(5*9)+(4*3)+(3*0)+(2*2)+(1*9)=125
125 % 10 = 5
So 18930-29-5 is a valid CAS Registry Number.

18930-29-5Downstream Products

18930-29-5Relevant articles and documents

SYNTHESIS OF ESTERS OF ENOLS OF β-TRIKETONES OF THE CYCLOHEXANE SERIES

Rubinov, D. B.,Rubinova, I. L.,Lakhvich, F. A.

, p. 79 - 87 (2007/10/02)

2-Acyl 3-acyloxy-2-cyclohexen-1-ones were obtained in 50-90percent yields by acylation of the sodium salts of 2-acylcyclohexane-1,3-diones in acetone with acid chlorides.In contrast to enol ethers, endocyclic monoenol acylates react with amines to give enamino derivatives involving the exocyclic keto group.A simple method for the transformation of cyclohexane β-triketones to γ-pyrone derivatives by their reaction with aliphatic anhydrides in the presence of sodium salts of the corresponding acids is proposed.

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