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65159-24-2

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65159-24-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65159-24-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,1,5 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 65159-24:
(7*6)+(6*5)+(5*1)+(4*5)+(3*9)+(2*2)+(1*4)=132
132 % 10 = 2
So 65159-24-2 is a valid CAS Registry Number.

65159-24-2Downstream Products

65159-24-2Relevant articles and documents

Reactions of Heteroaryliminotriphenylphosphoranes with Heterocumulenes: Synthesis and Cycloaddition Reactions of α-N-Heteroaryl-substituted Carbodiimides

Boedeker, J.,Courault, K.,Koeckritz, A.,Koeckritz, P.

, p. 463 - 474 (2007/10/02)

N-α-Heteroaryl-substituted iminotriphenylphosphoranes react with phenylisocyanate, phenylisothiocyanate, and carbon disulfide to symmetrical and unsymmetrical α-heteroarylcarbodiimides.These can not be isolated as monomeres because they behave as 1.3-diazabutadienes predominantly and form 4+2-cycloadducts.The monomeric intermediates cyclodimerize to the 1.3.5-triazines 5 resp. 14 or react by the same scheme both with phenylisocyanate and with phenylisothiocyanate to give the 1.3.5-triazines 4, resp. 12.In competition with this reaction a 2+2-cycloaddition takes place, hence there follow numerous by-products.The structure of 1.3.5- triazines is determined from hydrolysis to guanidines 6 and on the basis of spectroscopic methods.

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