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41097-49-8

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41097-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41097-49-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,0,9 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 41097-49:
(7*4)+(6*1)+(5*0)+(4*9)+(3*7)+(2*4)+(1*9)=108
108 % 10 = 8
So 41097-49-8 is a valid CAS Registry Number.

41097-49-8Relevant articles and documents

The Reaction of Hydrazine with α-Cyanocinnamate Esters: A Caveat

Erdman, Paul J.,Gosse, Jimmy L.,Jacobson, Jamey A.,Lewis, David E.

, p. 1163 - 1171 (2004)

α-Cyanocinnamate esters react with hydrazine to give initial products of conjugate addition that then undergo a fragmentation to give the azine of the carbonyl precursor to the starting ester, rather than intramolecular aminolysis to give the pyrazolidino

Selective protection of carbonyl compounds as azines and their facile regeneration

Nanjundaswamy,Pasha

, p. 3161 - 3165 (2007/10/03)

Carbonyl compounds with freshly prepared hydrazinium formate successfully yielded the corresponding azines in excellent yields. In turn, azines were deprotected to the corresponding carbonyls using triethylammonium chlorochromate chemoselectively. Copyright Taylor & Francis Group, LLC.

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