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191033-27-9

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191033-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 191033-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,0,3 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 191033-27:
(8*1)+(7*9)+(6*1)+(5*0)+(4*3)+(3*3)+(2*2)+(1*7)=109
109 % 10 = 9
So 191033-27-9 is a valid CAS Registry Number.

191033-27-9Relevant articles and documents

Direct dialkylation of peptide nitriles. Application to the synthesis of 1-aminocyclopropane-1-carboxylic acid (Acc)-containing dipeptides

McMath, Andrew R.,Guillaume, Dominique,Aitken, David J.,Husson, Henri-Philippe

, p. 105 - 110 (2007/10/03)

Several 1-aminocyclopropane-1-carboxylic acid-containing dipeptides (Acc-CP) have been prepared by regioselective dialkylation of peptoids containing α-aminonitriles as C-terminal residues.Regioselective deprotonation of the aminomethylene center using a

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