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54211-69-7

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54211-69-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54211-69-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,1 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54211-69:
(7*5)+(6*4)+(5*2)+(4*1)+(3*1)+(2*6)+(1*9)=97
97 % 10 = 7
So 54211-69-7 is a valid CAS Registry Number.

54211-69-7Downstream Products

54211-69-7Relevant articles and documents

ETUDE D'UN SCHEMA DE SYNTHESE PEPTIDIQUE INTRAMOLECULAIRE A L'AIDE DE DERIVES DU PHOSPHORE TETRAEDRIQUE

Mulliez, M.

, p. 2027 - 2041 (2007/10/02)

A new scheme of repetitive and controlled peptide synthesis offers two advantages compared to the usual methods of synthesis: two steps only are used for the prolongation of a peptide chain with an amino-acid residue and the risk of racemisation is minimized.The two postulated steps are verified particularly by the rearrangement, in an alkaline alcoholic medium, of phosphordiamides 1 incorporating one amino-acid residue, leading to the formation of the peptide derivatives 6 and 8.The severe limitations of this method are discussed.

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