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445288-81-3

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445288-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 445288-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,5,2,8 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 445288-81:
(8*4)+(7*4)+(6*5)+(5*2)+(4*8)+(3*8)+(2*8)+(1*1)=173
173 % 10 = 3
So 445288-81-3 is a valid CAS Registry Number.

445288-81-3Downstream Products

445288-81-3Relevant articles and documents

Optimization of physicochemical properties is a strategy to improve drug-likeness associated with activity: Novel active and selective compounds against Trypanosoma cruzi

Amaral, Maiara,Romanelli, Maiara M.,Tempone, Andre G.,Varela, Marina T.,de Castro Levatti, Erica V.,Fernandes, Jo?o Paulo S.

, (2022/01/31)

Trypanosoma cruzi is the causing agent of Chagas disease, a parasitic infection without efficient treatment for chronic patients. Despite the efforts, no new drugs have been approved for this disease in the last 60 years. Molecular modifications based on

Preparation of pyrazine carboxamides: A reaction involving N-heterocyclic carbene (NHC) intermediates

Naredla, Rajasekhar Reddy,Dash, Barada P.,Klumpp, Douglas A.

supporting information, p. 4806 - 4809 (2013/10/08)

In the reactions of 2,3-pyrazinedicarboxylic anhydride with amines and anilines, pyrazine carboxamides are formed in good to excellent yields. A mechanism is proposed involving ring opening of the anhydride and decarboxylation of the heterocyclic ring. Based on other similar heterocyclic decarboxylations, this suggests the involvement of an N-heterocyclic carbene intermediate leading to the product.

Transamidation of amides with amines under solvent-free conditions using a CeO2 catalyst

Tamura, Masazumi,Tonomura, Takuya,Shimizu, Ken-Ichi,Satsuma, Atsushi

experimental part, p. 717 - 724 (2012/05/07)

Among various metal oxides, cerium oxide (CeO2) shows the highest catalytic activity for transamidation of picolinamide with n-octylamine. CeO2 acts as a reusable and effective heterogeneous catalyst for transamidation under solvent-free conditions. Transamidation of a variety of amides and amines produced the corresponding N-alkyl amides in high yields. This method provides the first example of a heterogeneous catalyst for transamidation using aliphatic amines as substrates. Characterization of acid-base properties and kinetic studies suggest that the cooperation of the weak Lewis acid sites and adjacent strong base sites play important roles in the transamidation reaction. The Royal Society of Chemistry 2012.

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