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133044-34-5

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133044-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133044-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,4 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 133044-34:
(8*1)+(7*3)+(6*3)+(5*0)+(4*4)+(3*4)+(2*3)+(1*4)=85
85 % 10 = 5
So 133044-34-5 is a valid CAS Registry Number.

133044-34-5Relevant articles and documents

Unsymmetrical Diarylketones from Electron-rich Heterocyclic Arenes

Poupaert, Jacques H.,Depreux, Patrick,McCurdy, Christopher R.

, p. 823 - 830 (2003)

AlCl3-mediated chlorocarbonylation of a first arene by oxalyl chloride followed by in situ Friedel-Crafts acylation of a second electron-rich arene expeditiously provides, in a one-pot procedure, either symmetrical or unsymmetrical benzophenones with yields ranging from 17-52%. Best results are obtained when the more activated substrate is used as the second arene. Another advantage is that the resultant benzophenone precipitates from the reaction mixture allowing facile workup.

Aromatase inhibitor compounds and uses thereof

-

Page/Page column 4, (2010/11/26)

The invention concerns the use of a compound of formula (I) inhibitor of aromatase for the preparation of a pharmaceutical formulation intended for treatment of cancer or psoriasis. It equally relates to compounds of formula (I), notably for their use as active ingredients of a medication.

Benzothiazolinone compounds

-

, (2008/06/13)

Compounds of general formula (I): STR1 in which: R1 represents a hydrogen atom or a lower alkyl group, R2 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstitute

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