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1148055-42-8

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1148055-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1148055-42-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,8,0,5 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1148055-42:
(9*1)+(8*1)+(7*4)+(6*8)+(5*0)+(4*5)+(3*5)+(2*4)+(1*2)=138
138 % 10 = 8
So 1148055-42-8 is a valid CAS Registry Number.

1148055-42-8Downstream Products

1148055-42-8Relevant articles and documents

Interactions of aroyl- and heteroaroyltrifluoroacetones with thiobenzoylhydrazine

Pakalnis,Zerova,Yakimovitch,Alekseyev

, p. 606 - 614 (2013/07/25)

The interaction of aroyl(heteroaroyl)trifluoroacetones with thiobenzoylhydrazine may occur at both carbonyl groups. Reaction at the trifluoroacetyl group is facilitated by terminal substituents in the 1,3-dicarbonyl part, which leads can effectively conjugate with the adjacent carbonyl group. The products of condensation at the trifluoroacetyl group are 2-[2-aryl(heteroaroyl)-2-oxoethyl]-5-phenyl-2-trifluoromethyl-2,3-dihydro-1,3, 4-thiadiazoles, while condensation at the aroyl(heteroaroyl)group gave 3-aryl(heteroaryl)-5-hydroxy-1-thiobenzoyl-5-trifluoromethyl-4, 5-dihydro-1H-pyrazoles, which are not prone to tautomeric transformations in solution. 2008 Springer Science+Business Media, Inc.

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