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890171-57-0

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890171-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 890171-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,1,7 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 890171-57:
(8*8)+(7*9)+(6*0)+(5*1)+(4*7)+(3*1)+(2*5)+(1*7)=180
180 % 10 = 0
So 890171-57-0 is a valid CAS Registry Number.

890171-57-0Relevant articles and documents

Enantioselective Friedel-Crafts alkylation of indoles with nitroalkenes catalyzed by bifunctional tridentate bis(oxazoline)-Zn(II) complex

Lu, Shao-Feng,Du, Da-Ming,Xu, Jiaxi

, p. 2115 - 2118 (2006)

A more practical and efficient catalytic asymmetric Friedel-Crafts alkylation of indoles with nitroalkenes using bifunctional tridentate bis-(oxazoline)-Zn(OTf)2 as catalyst has been developed. Various types of the nitroalkylated indoles were o

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