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1552290-08-0

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1552290-08-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1552290-08-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,2,2,9 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1552290-08:
(9*1)+(8*5)+(7*5)+(6*2)+(5*2)+(4*9)+(3*0)+(2*0)+(1*8)=150
150 % 10 = 0
So 1552290-08-0 is a valid CAS Registry Number.

1552290-08-0Downstream Products

1552290-08-0Relevant articles and documents

A chemoselective Reformatsky-Negishi approach to α-haloaryl esters

Wong, Brian,Linghu, Xin,Crawford, James J.,Drobnick, Joy,Lee, Wendy,Zhang, Haiming

, p. 1508 - 1515 (2014/02/14)

A practical synthesis of α-haloaryl esters has been achieved via a chemoselective Negishi coupling of poly-halogenated aromatics and Reformatsky reagents in the presence of catalytic Pd(dba)2 and Xantphos. This chemistry tolerates a variety of aryl halides and was successfully applied to the synthesis of Ibuprofen. The α-haloaryl ester products, exemplified by ethyl 2-(4-bromo-2-chlorophenyl)acetate (3a), can be further functionalized via palladium or copper catalysis to afford an array of α-aryl esters.

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