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41208-22-4

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41208-22-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41208-22-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,2,0 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 41208-22:
(7*4)+(6*1)+(5*2)+(4*0)+(3*8)+(2*2)+(1*2)=74
74 % 10 = 4
So 41208-22-4 is a valid CAS Registry Number.

41208-22-4Relevant articles and documents

Dehydrogenation of cyclic tertiary amines with neighbouring of enantiomeric nucleophiles

M?hrle, Hans,Berkenkemper, Thomas

, p. 435 - 443 (2007/10/03)

For stereochemical investigation of their dehydrogenation, the enantiomers of the aminoalcohols 1, 2, and 3 were prepared from optically active sources, while the enantiomers of the diamines 8 and 9 were available by resolution of the racemates. The pure antipodes of 1, 2, and 3 reacted with mercury(II)-EDTA by a twofold dehydrogenation via intermediate participation of the neighbouring alcoholic group to the optically active lactams 5, 6, and 7 under complete retention of configuration. In the same manner the diamines 8 and 9 generated by four electron withdrawal the cycloamidines 10 and 11.

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