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156454-45-4

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156454-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156454-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,5 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156454-45:
(8*1)+(7*5)+(6*6)+(5*4)+(4*5)+(3*4)+(2*4)+(1*5)=144
144 % 10 = 4
So 156454-45-4 is a valid CAS Registry Number.

156454-45-4Downstream Products

156454-45-4Relevant articles and documents

Compounds interacting with tubulin: Part I: Synthesis of ortho-ortho' substituted phenylpyrroles with free or restricted rotation.

Alazard, JP.,Boye, O.,Gillet, B.,Guenard, D.,Beloeil, JC.,Thal, C.

, p. 779 - 787 (2007/10/02)

The synthesis of ortho-ortho' substituted phenylpyrroles that are susceptible to isomerization of the biaryl type (atropisomerism) was performed using a Michael addition of isocyanoacetates with nitrostyrenes.Atropisomerism in phenylpyrroles 14 and 15 was studied by means of 1H NMR spectroscopy using chiral lanthanide shift reagents (LSR*).In the case of chiral phenylpyrrole 21, an evaluation of the interconversion parameters between diastereomers (k, ΔGT*) was attempted. - - - tubulin / phenylpyrrole / atropisomers / chiral shift reagents

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