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172216-91-0

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172216-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172216-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,2,1 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 172216-91:
(8*1)+(7*7)+(6*2)+(5*2)+(4*1)+(3*6)+(2*9)+(1*1)=120
120 % 10 = 0
So 172216-91-0 is a valid CAS Registry Number.

172216-91-0Relevant articles and documents

Antiviral Compounds

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Page/Page column 14, (2012/09/25)

Novel compounds, methods, and compositions for treating various viral infections are described. In some embodiments the novel compounds of the invention are 3-oxo-phenothiazine derivatives; more specific embodiments include 3-oxo-phenothiazine derivatives having substituents at the 1-, 7-, and 9-positions of the phenothiazine parent ring. In other embodiments, the invention provides compositions and methods for treating viral infections, especially HIV.

Synthesis of substituted coumarinyloxy triazoles and thiadiazoles and their antimicrobial activity

Bhavsar, S. B.,Shinde, D. B.,Shingare, M. S.

, p. 70 - 74 (2007/10/02)

Hydrazides and thiosemicarbazides of substituted coumarins have been synthesised by condensing substituted carbethoxy coumarins with hydrazine hydrate and aryl isothiocyanates respectively.The thiosemicarbazides when cyclised on treatment with NaOH and conc.H2SO4 give triazoles and thiadiazoles.The synthesised compounds have been tested for their anti-microbial activity against Alternaria brassicicola, Fusarium udam, Staphylococcus gram (-ve), Lactobacilus gram (-ve).However none of them show any significant activity.

Synthesis of coumarin derivatives as possible antifungal and antibacterial agents

Sengupta,Sen,Srivastava

, p. 710 - 716 (2007/10/02)

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