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87243-44-5

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87243-44-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87243-44-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,4 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87243-44:
(7*8)+(6*7)+(5*2)+(4*4)+(3*3)+(2*4)+(1*4)=145
145 % 10 = 5
So 87243-44-5 is a valid CAS Registry Number.

87243-44-5Downstream Products

87243-44-5Relevant articles and documents

ONE-STAGE SYNTHESIS OF INDANONES IN THE BENZIMIDAZOLIN-2-ONE SERIES

Kadyrov, Ch. Sh.,Khalikov, S. S.

, p. 348 - 352 (2007/10/02)

The possibility has been shown of a one-stage synthesis of 5,6-ureylene-3-methylindan-1-one and 6,7-ureylene-3,5-dimethylindan-1-one by condensing the corresponding benzimidazolin-2-ones with γ-butyrolactone ar crotonic acid in the presence of aluminum chloride.The reaction was performed at a ratio of the reactants benzimidazolin-2-one (5-methylbenzimidazolin-2-one): γ-butyrolactone (crotonic acid): AlCl3=1:1:6.Several derivatives (oximes, semicarbazones, substituted hydrazones) have been obtained that confirm the ketonic structures of the indanones synthesized.The plant growth inhibiting and fungicidal activities of the compounds synthesized have been studied.

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