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17496-81-0

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17496-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17496-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,4,9 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17496-81:
(7*1)+(6*7)+(5*4)+(4*9)+(3*6)+(2*8)+(1*1)=140
140 % 10 = 0
So 17496-81-0 is a valid CAS Registry Number.

17496-81-0Downstream Products

17496-81-0Relevant articles and documents

Dienophilicity of imidazole in inverse electron demand Diels-Alder reactions: Cycloadditions with 1,2,4,5-tetrazines and the structure of zarzissine

Wan, Zhao-Kui,Woo, Grace H.C.,Snyder, John K.

, p. 5497 - 5507 (2007/10/03)

The inverse electron demand cycloadditions of 2-substituted imidazoles with dimethyl 1,2,4,5-tetrazine-3,6-dicarboxylate produced imidazo[4,5-d]pyridazines in good yields. This chemistry was applied to the synthesis of 2-amino-1H-imidazo[4,5-d]pyridazine (1), the structure reported for zarzissine, a cytotoxic marine alkaloid. Differences in the 1H- and 13C NMR spectra of 1 with those reported for zarzissine necessitated a structural revision, and zarzissine was then considered to be the corresponding 2-amino-1H-imidazo[4,5-b]pyrazine (2), which was subsequently synthesized from the parent heterocycle.

2 Dialkylaminoacylamino imidazoles as potential local anesthetic agents

Heinisch,Reusser

, p. 19 - 33,22, 27 (2007/10/04)

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