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159218-83-4

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159218-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159218-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,2,1 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 159218-83:
(8*1)+(7*5)+(6*9)+(5*2)+(4*1)+(3*8)+(2*8)+(1*3)=154
154 % 10 = 4
So 159218-83-4 is a valid CAS Registry Number.

159218-83-4Downstream Products

159218-83-4Relevant articles and documents

Rearrangement of (Polymethoxybenzyl)ammonium N-Methylides

Maeda, Yasuhiro,Shirai, Naohiro,Sato, Yoshiro,Tatewaki, Hiroshi

, p. 7897 - 7901 (2007/10/02)

Reaction of N,N-dimethyl-N-(polymethoxy-substituted benzyl)ammonium iodides 1a-e with cesium fluoride gave polymethoxy-substituted 5--6-methylene-1,3-cyclohexadienes 3 and 5 ( sigmatropic rearrangement products).However, these were quickly hydrolyzed to polymethoxytoluenes 8 during the aqueous workup.The pathway of the hydrolysis of 3 and 5 is discussed.

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