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1428098-90-1

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1428098-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428098-90-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,0,9 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1428098-90:
(9*1)+(8*4)+(7*2)+(6*8)+(5*0)+(4*9)+(3*8)+(2*9)+(1*0)=181
181 % 10 = 1
So 1428098-90-1 is a valid CAS Registry Number.

1428098-90-1Downstream Products

1428098-90-1Relevant articles and documents

Microwave-assisted expeditious synthesis of 5-fluoroalkyl-3-(aryl/alkyl)- oxazolidin-2-ones

Yang, Bo,Shi, Luyan,Wu, Jingjing,Fang, Xiang,Yang, Xueyan,Wu, Fanhong

, p. 3331 - 3337 (2013/04/24)

An efficient and convenient protocol for synthesis of 5-fluoroalkyl-3- (aryl/alkyl)-oxazolidin-2-ones is described. The reaction of allyl (aryl/alkyl) carbamates with fluoroalkyl iodide initiated by sodium dithionite in aqueous acetonitrile resulted in adducts that undergoes a cyclization assisted by microwave irradiation to form 5-fluoroalkyl-3-(aryl/alkyl)-oxazolidin-2-ones with high yields. It was also found that the products can be more efficiently formed via an AIBN-initiated one-pot addition-cyclization sequence from benzyl allyl(aryl/alkyl) carbamates and fluoroalkyl iodide.

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