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1233493-37-2

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1233493-37-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1233493-37-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,4,9 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1233493-37:
(9*1)+(8*2)+(7*3)+(6*3)+(5*4)+(4*9)+(3*3)+(2*3)+(1*7)=142
142 % 10 = 2
So 1233493-37-2 is a valid CAS Registry Number.

1233493-37-2Downstream Products

1233493-37-2Relevant articles and documents

Regio-and chemoselective zincation of sensitive and moderately activated aromatics and heteroaromatics using TMPZnCl·LiCl

Bresser, Tomke,Mosrin, Marc,Monzon, Gabriel,Knochel, Paul

experimental part, p. 4686 - 4695 (2010/09/05)

(Figure Presented) A broad range of functionalized aryl- and heteroarylzinc reagents were prepared via directed zincation of sensitive and moderately activated aromatics and heteroaromatics using TMPZnCl·LiCl under various reaction conditions. Diverse sensitive functional groups such as a nitro group, an aldehyde, an ester, and a nitrile are readily tolerated and are compatible with high metalation temperatures. Furthermore, the resulting zinc organometallics display an excellent reactivity toward various classes of electrophiles providing functionalized aromatics and heteroaromatics in high yields.

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