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944338-76-5

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944338-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 944338-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,4,3,3 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 944338-76:
(8*9)+(7*4)+(6*4)+(5*3)+(4*3)+(3*8)+(2*7)+(1*6)=195
195 % 10 = 5
So 944338-76-5 is a valid CAS Registry Number.

944338-76-5Relevant articles and documents

Substituted diarylmethylamines by stereospecific intramolecular electrophilic arylation of lithiated ureas

Clayden, Jonathan,Dufour, Jeremy,Grainger, Damian M.,Helliwell, Madeleine

, p. 7488 - 7489 (2008/02/11)

On lithiation, N-benzyl ureas varying N′-aryl substituents undergo a migration of the aryl ring to the ∞ carbon of the N-benzyl group. With chiral, enantiomerically pure N-∞-methylbenzyl ureas, the rearrangement is stereospecific and creates a new, fully substituted stereogenic center ∞ to N. Removal of the urea function by N-nitrosation and hydrolysis allows the synthesis of chiral tertiary carbinamines in high enantiomeric purity. Copyright

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