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146511-93-5

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146511-93-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146511-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,5,1 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 146511-93:
(8*1)+(7*4)+(6*6)+(5*5)+(4*1)+(3*1)+(2*9)+(1*3)=125
125 % 10 = 5
So 146511-93-5 is a valid CAS Registry Number.

146511-93-5Upstream product

146511-93-5Relevant articles and documents

Synthesis and anthelmintic activity of 7-hydroxy-5-oxo-5H-thieno[3,2- b]pyran-6-carboxanilides and -6-thiocarboxanilides

Plant,Harder,Mencke,Bertram

, p. 351 - 358 (2007/10/03)

7-Hydroxy-5-oxo-5H-thieno[3,2-b]pyran-6-carboxanilides and -6- thiocarboxanilides represent a novel series of anthelmintic compounds, with broad-spectrum activity against important parasitic nematodes in sheep and dogs. In particular, an improved efficacy against Trichostrongylus colubriformis in sheep over the related 3-carbamoyl-4-hydroxycoumarins has been noted. New synthetic routes to the key intermediate, 7- hydroxythieno[3,2-b]pyran-5-one, have been developed.

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