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110821-31-3

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110821-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 110821-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,8,2 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 110821-31:
(8*1)+(7*1)+(6*0)+(5*8)+(4*2)+(3*1)+(2*3)+(1*1)=73
73 % 10 = 3
So 110821-31-3 is a valid CAS Registry Number.

110821-31-3Downstream Products

110821-31-3Relevant articles and documents

Nonaqueous Diazotation of 5-Amino-1-aryl-1H-pyrazole-4-carboxylate Esters

Beck, James R.,Gajewski, Robert P.,Lynch, Michael P.,Wright, Fred L.

, p. 267 - 270 (2007/10/02)

5-Amino-1-aryl-1H-pyrazole-4-carboxylate esters are converted to the corresponding desamino, chloro, bromo, iodo, and methylthio esters by processes involving nonaqueous diazotation.Diazotizing agents are alkyl nitrites except in the case of chlorine wher

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