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102493-37-8

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102493-37-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102493-37-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,4,9 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 102493-37:
(8*1)+(7*0)+(6*2)+(5*4)+(4*9)+(3*3)+(2*3)+(1*7)=98
98 % 10 = 8
So 102493-37-8 is a valid CAS Registry Number.

102493-37-8Relevant articles and documents

The endocyclic restriction test: Determination of the transition-structure geometry for the transfer of oxygen from N,N-dialkylhydroxylamines to triarylphosphines

Kurtzweil, Mitchell L.,Loo, Dekai,Beak, Peter

, p. 421 - 427 (2007/10/02)

The transfers of oxygen from nitrogen to phosphorus in the conversions of 1 to 2 and 3 to 4 are shown by kinetic, solvent-labeling, and double-labeling criteria to be intramolecular reactions. This information in conjunction with the stabilities of 13 and 14 is taken to rule out the mechanisms of classic linear SN2 substitutions at oxygen or nitrogen, biphilic insertion, or a radical chain reaction and to favor reactions via a 10-P-5 species (18). These results appear to provide the first experimental demonstration that oxygen can be transferred at an oblique angle.

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