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157001-18-8

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157001-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157001-18-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,0,0 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 157001-18:
(8*1)+(7*5)+(6*7)+(5*0)+(4*0)+(3*1)+(2*1)+(1*8)=98
98 % 10 = 8
So 157001-18-8 is a valid CAS Registry Number.

157001-18-8Downstream Products

157001-18-8Relevant articles and documents

An efficient palladium-catalyzed synthesis of cinnamaldehydes from acrolein diethyl acetal and aryl iodides and bromides

Battistuzzi, Gianfranco,Cacchi, Sandro,Fabrizi, Giancarlo

, p. 777 - 780 (2007/10/03)

(Matrix presented) The reaction of aryl iodides and bromides with acrolein diethyl acetal in the presence of Pd(OAc)2, nBu 4NOAc, K2CO3, KCl, and DMF, at 90°C until the disappearance of the acetal followed by the addition of 2 N HCl to the crude reaction mixture, affords cinnamaldehydes in good to high yields. A variety of functional groups are tolerated in the aryl halides, including ether, aldehyde, ketone, ester, dialkylamino, nitrile, and nitro groups. The presence of substituents close to the oxidative addition site does not hamper the reaction.

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