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839698-01-0

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839698-01-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 839698-01-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,9,6,9 and 8 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 839698-01:
(8*8)+(7*3)+(6*9)+(5*6)+(4*9)+(3*8)+(2*0)+(1*1)=230
230 % 10 = 0
So 839698-01-0 is a valid CAS Registry Number.

839698-01-0Relevant articles and documents

Synthesis and hetero-Michael addition reactions of 2-alkynyl oxazoles and oxazolines

Wipf, Peter,Graham, Thomas H.

, p. 31 - 35 (2007/10/03)

A method for the synthesis of 2-alkynyl oxazoles and oxazolines was discussed. These compounds were synthesized from readily available starting materials and were sufficiently polarized to participate in nucleophillic conjugate addition reactions. The addition of an acetate salt to the reaction mixture was found to be improving the overall yield. The conjugate addition reaction of heteronucleophiles to oxazole and oxazoline alkynes offers a versatile approach to produce heterocyclic building blocks for the synthesis of biologically active products.

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