Cas 198763-89-2,1,1-diisopropyl-3-(4-nitrophenyl)urea

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Check Digit Verification of cas no

The CAS Registry Mumber 198763-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,7,6 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 198763-89:
(8*1)+(7*9)+(6*8)+(5*7)+(4*6)+(3*3)+(2*8)+(1*9)=212
212 % 10 = 2
So 198763-89-2 is a valid CAS Registry Number.

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198763-89-2Relevant articles and documents

Development of solvent-free synthesis of hydrogen-bonded supramolecular polyurethanes

Houton, Kelly. A.,Burslem, George M.,Wilson, Andrew. J.

, p. 2382 - 2388 (2015/03/30)

In this work we describe the solvent free synthesis of supramolecular polyurethanes held together by heterocomplementary triple hydrogen bonding. We perform a systematic evaluation on the base catalyzed synthesis of small molecule ureas and carbamates fro

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CAS

198763-89-2