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1397697-66-3

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1397697-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1397697-66-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,6,9 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1397697-66:
(9*1)+(8*3)+(7*9)+(6*7)+(5*6)+(4*9)+(3*7)+(2*6)+(1*6)=243
243 % 10 = 3
So 1397697-66-3 is a valid CAS Registry Number.

1397697-66-3Relevant articles and documents

Chemoenzymatic routes to enantiomerically pure 2-azatyrosine and 2-, 3- and 4-pyridylalanine derivatives

Moussa, Amer,Meffre, Patrick,Martinez, Jean,Rolland, Valerie

, p. 1339 - 1348 (2012/09/07)

Enantiomerically pure 2-, 3- or 4-pyridylalanine (pya) and 2-azatyrosine (azatyr) are known to present various biological activities. After incorporation into appropriate peptide sequences, these heterocyclic non natural α-amino acids could behave as new substrates or inhibitors of elastase from Pseudomonas aeruginosa. This enzyme is known to be involved in nosocomial infections and infections related to the cystic fibrosis disease. New efficient chemoenzymatic preparations of those compounds using α-chymotrypsin (α-CT) are presented. Springer-Verlag 2011.

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