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840528-65-6

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840528-65-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 840528-65-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,0,5,2 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 840528-65:
(8*8)+(7*4)+(6*0)+(5*5)+(4*2)+(3*8)+(2*6)+(1*5)=166
166 % 10 = 6
So 840528-65-6 is a valid CAS Registry Number.

840528-65-6Relevant articles and documents

Chalcones, pyrazolines and aminopyrimidines as antibacterial agents

Solankee, Anjani,Lad, Smruti,Solankee, Sejal,Patel, Ghanshyam

experimental part, p. 1442 - 1446 (2010/03/30)

2,4-Bis-ethylamino-6-[4'-{3"-(substitutedphenyl/2'"-furanyl)-2' -propenone-l "-yl} phenyl amino]-s-triazine 5a-d have been prepared by treating ketone 4 with different substituted aromatic and heterocyclic aldehydes in the presence of alkali. These chalcones 5a-d on cyclisation with hydrazine hydrate and guanidine nitrate to form pyrazolines 6a-d and aminopyrimidines 7a-d respectively. The structures of the synthesized compounds have been established on the bases of IR,1H NMR and elemental analysis. The compounds have been evaluated for antibacterial activity against E. coli. S. paratyphi-A, S. aureus and B. subtilis.

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