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94885-35-5

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94885-35-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94885-35-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,8,8 and 5 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 94885-35:
(7*9)+(6*4)+(5*8)+(4*8)+(3*5)+(2*3)+(1*5)=185
185 % 10 = 5
So 94885-35-5 is a valid CAS Registry Number.

94885-35-5Downstream Products

94885-35-5Relevant articles and documents

Stereoelectronic control of oxazolidine ring-opening: Structural and chemical evidences

Sélambarom, Jimmy,Monge, Sophie,Carré, Francis,Roque, Jean Pierre,Pavia, André A

, p. 9559 - 9566 (2007/10/03)

Ring opening of oxazolidines derived from tris(hydroxymethyl)aminomethane, L-serine and L-threonine was investigated. It was shown that n(N)→σ*(C-O) electron delocalization (endo-anomeric effect) occurring in the five-membered ring plays a major role in the cleavage of the intracyclic C-O bond. The present work establishes that when the nitrogen lone pair is conjugated with a carbonyl group (n(N)→π(C=O) delocalization) as happens in N-acyloxazolidines, both hydrolysis and reductive ring-opening become much more difficult as a consequence of a concomitant decrease of oxygen basicity and of an increase of the intracyclic C-O bond strength.

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