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1354033-64-9

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1354033-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1354033-64-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,4,0,3 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1354033-64:
(9*1)+(8*3)+(7*5)+(6*4)+(5*0)+(4*3)+(3*3)+(2*6)+(1*4)=129
129 % 10 = 9
So 1354033-64-9 is a valid CAS Registry Number.

1354033-64-9Downstream Products

1354033-64-9Relevant academic research and scientific papers

Synthesis and tautomerism of 2-phenacyl-1H-benzimidazoles and their hydrogen bromide salts

Dzvinchuk,Nesterenko,Polovinko,Ryabitskii,Lozinskii

, p. 953 - 963 (2011)

2-Phenacyl-1H-benzimidazoles were prepared by the acylation of 2-methylbenzimidazole using aroyl chlorides with subsequent alcoholysis or aminolysis of the N,C,O-triacylation products obtained. Treatment of the 2-phenacyl-1H-benzimidazoles with hydrobromic acid gave the corresponding salts. The structure of the products was supported by IR, 1H and 13C NMR, and HMBC spectroscopy as well as by quantum-chemical calculations. 2-Phenacyl-1H-benzimidazoles in DMSO-d6 solution were found to display predominantly imino-enamino tautomerism, while their salts were found to display predominantly keto-enol tautomerism.

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