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1026647-77-7

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1026647-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1026647-77-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,6,4 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1026647-77:
(9*1)+(8*0)+(7*2)+(6*6)+(5*6)+(4*4)+(3*7)+(2*7)+(1*7)=147
147 % 10 = 7
So 1026647-77-7 is a valid CAS Registry Number.

1026647-77-7Downstream Products

1026647-77-7Relevant articles and documents

Convenient one-pot method for the preparation of polysubstituted benzo[b]- and naphtho[1,2-b]-furans and -thiophenes

Katritzky, Alan R.,Serdyuk, Larisa,Xie, Linghong

, p. 1059 - 1064 (2007/10/03)

N-(Phenoxymethyl)- and N-(phenylthiomethyl)-benzotriazoles are versatile substrates for the preparation of benzofurans and benzothiophenes by insertion reactions of their anions into alkyl and aryl aldehydes and in situ cyclization of the α-aryloxy and α-arylthio ketones thus formed. N-(Naphthyloxy)- and N-(naphthylthio)-benzotriazoles are similarly efficient precursors for naphthofurans and naphthothiophenes.

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