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121099-13-6

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121099-13-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121099-13-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,9 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 121099-13:
(8*1)+(7*2)+(6*1)+(5*0)+(4*9)+(3*9)+(2*1)+(1*3)=96
96 % 10 = 6
So 121099-13-6 is a valid CAS Registry Number.

121099-13-6Relevant articles and documents

Stereoselective Protonation of Carbanions, 4. Enantioselective Protonation of Lactone Enolates

Gerlach, Uwe,Haubenreich, Thomas,Huenig, Siegfried

, p. 1969 - 1980 (2007/10/02)

The prochiral lithium enolates derived from the five-membered lactones rac-1 and rac-2 were protonated by 37 OH- and 21 NH-chiral proton sources in THF at -78 deg C.The enantioselectivities, determined directly from the reaction mixture by chiral HPLC, ar

CsF-Promoted Esterification of Carboxylic Acids. A Practical Alternative to the Diazomethane Method and Direct Conversion of Organotin Carboxylates

Sato, Tsuneo,Otera, Junzo,Nozaki, Hitosi

, p. 2166 - 2169 (2007/10/02)

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STEREOSELECTIVE REDUCTION OF C=X BY A CHIRAL 1,4-DIHYDROPYRIDINE (NADH-MIMIC) IN A SELF-IMMOLATIVE PROCESS

Meyers, A. I.,Brown, Jack D.

, p. 5617 - 5620 (2007/10/02)

A series of prochiral ketones and a prochiral imine was reduced with high absolute stereoselectivity using an optically active 4-methyl-1,4-dihydropyridine in the presence of Mg(ClO4)2.

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