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581098-57-9

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581098-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 581098-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,8,1,0,9 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 581098-57:
(8*5)+(7*8)+(6*1)+(5*0)+(4*9)+(3*8)+(2*5)+(1*7)=179
179 % 10 = 9
So 581098-57-9 is a valid CAS Registry Number.

581098-57-9Relevant articles and documents

A concise and optimized four-step approach toward 2-(aryl-)alkylsulfanyl-, 4(5)-aryl-, 5(4)-heteroaryl-substituted imidazoles using alkyl- or arylalkyl thiocyanates

Laufer, Stefan A.,Liedtke, Andy J.

, p. 7199 - 7203 (2007/10/03)

A convenient cyclization method leading to trisubstituted imidazoles in up to 84% yield is reported. Diverse 1-aryl-, 2-heteroaryl-substituted ethanones are converted into the corresponding α-oximino derivatives which are reduced under regioselective cond

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