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76250-81-2

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76250-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76250-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,2,5 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76250-81:
(7*7)+(6*6)+(5*2)+(4*5)+(3*0)+(2*8)+(1*1)=132
132 % 10 = 2
So 76250-81-2 is a valid CAS Registry Number.

76250-81-2Downstream Products

76250-81-2Relevant articles and documents

Photochemical Addition of Tertiary Amines to Stilbene. Stereoelectronic Control of Tertiary Amine Oxidation.

Lewis, Frederick D.,Ho, Tong-Ing,Simpson, J. Thomas

, p. 1077 - 1082 (2007/10/02)

The photochemical addition reactions of seven nonsymmetrical tertiary amines with singlet trans-stilbene are described.Addition of methyldiisopropylamine or isopropyldimethylamine is highly selective for formation of the least substituted α-amino radical, whereas addition of several less highly branched amines is relatively nonselective.The product isotope effect for tert-butylmethyl(trideuteriomethyl)amine is 2.2+/-0.2.Product selectivity is determined by the orientation of the deprotonation of an aminium radical intermediate by the stilbene radical anion.Selectiveoxidation results from e stereoelectronic effect which is most evident w hen one more alkyl group is highly branched.

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