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191019-22-4

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191019-22-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 191019-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,0,1 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 191019-22:
(8*1)+(7*9)+(6*1)+(5*0)+(4*1)+(3*9)+(2*2)+(1*2)=114
114 % 10 = 4
So 191019-22-4 is a valid CAS Registry Number.

191019-22-4Downstream Products

191019-22-4Relevant articles and documents

A new and facile synthesis of imidazo[2,1-b]oxazoles

Mekonnen, Belew,Crank, George,Craig, Donald

, p. 589 - 599 (2007/10/03)

An efficient and clean two step procedure for the synthesis of imidazo[2,1-b]oxazoles has been developed from 2-aminooxazoles using titanium(IV) chloride assisted cyclization, and a variety of imidazo[2,1-b]oxazoles have been synthesized in good yields. The structure of one of the products was confirmed by X-ray crystallographic analysis.

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