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189442-58-8

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189442-58-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189442-58-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,4,4 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 189442-58:
(8*1)+(7*8)+(6*9)+(5*4)+(4*4)+(3*2)+(2*5)+(1*8)=178
178 % 10 = 8
So 189442-58-8 is a valid CAS Registry Number.

189442-58-8Relevant articles and documents

SUBSTITUTED IMIDAZOLES HAVING ANTI-CANCER AND CYTOKINE INHIBITORY ACTIVITY

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Page/Page column 47-48, (2009/06/27)

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An efficient synthesis of tetrasubstituted imidazoles from N-(2-Oxo)- amides

Claiborne, Christopher F.,Liverton, Nigel J.,Nguyen, Kevin T.

, p. 8939 - 8942 (2007/10/03)

N-(2-Oxo)-amides were efficiently converted to tri- and tetra- substituted imidazoles under neutral reaction conditions upon treatment with neat ammonium trifluoroacetate.

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