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1393645-67-4

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1393645-67-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1393645-67-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,6,4 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1393645-67:
(9*1)+(8*3)+(7*9)+(6*3)+(5*6)+(4*4)+(3*5)+(2*6)+(1*7)=194
194 % 10 = 4
So 1393645-67-4 is a valid CAS Registry Number.

1393645-67-4Downstream Products

1393645-67-4Relevant articles and documents

Antimalarial Activity of Newly Synthesized Chalcone Derivatives In Vitro

Yadav, Neesha,Dixit, Sandeep K.,Bhattacharya, Amit,Mishra, Lokesh C.,Sharma, Manish,Awasthi, Satish K.,Bhasin, Virendra K.

experimental part, p. 340 - 347 (2012/08/29)

Twenty-seven novel chalcone derivatives were synthesized using Claisen-Schmidt condensation and their antimalarial activity against asexual blood stages of Plasmodium falciparum was determined. Antiplasmodial IC50 (half-maximal inhibitory concentration) activity of a compound against malaria parasites in vitro provides a good first screen for identifying the antimalarial potential of the compound. The most active compound was 1-(4-benzimidazol-1-yl-phenyl)-3-(2, 4-dimethoxy-phenyl)-propen-1-one with IC50 of 1.1μg/mL, while that of the natural phytochemical, licochalcone A is 1.43μg/mL. The presence of methoxy groups at position 2 and 4 in chalcone derivatives appeared to be favorable for antimalarial activity as compared to other methoxy-substituted chalcones. Furthermore, 3, 4, 5-trimethoxy groups on chalcone derivative probably cause steric hindrance in binding to the active site of cysteine protease enzyme, explaining the relative lower inhibitory activity.

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