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71710-18-4

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71710-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71710-18-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,1 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71710-18:
(7*7)+(6*1)+(5*7)+(4*1)+(3*0)+(2*1)+(1*8)=104
104 % 10 = 4
So 71710-18-4 is a valid CAS Registry Number.

71710-18-4Relevant articles and documents

ROLE OF AMINO ACID RESIDUES IN CHROMOGENIC SUBSTRATES CLEAVED BY PANCREATIC ELASTASE

Kasafirek, Evzen,Fric, Premysl,Slaby, Jan

, p. 1625 - 1633 (2007/10/02)

Anionic chromogenic substrates, 3-carboxypropionyl tripeptide p-nitroanilides modified with glycine, β-alanine, alanine, leucine, and proline in positions P1, P2, and P3 were synthesized.The substrates were digested with pancreatic elastase and the values of Km, kcat, and kcat/Km were determined.Alanine plays a decisive role in position P1, substrates with glycine or β-alanine in this position are not cleaved.The substitution in P2 is dominant for proline; next follow alanine, leucine, and glycine.The substitution in P3 is the least specific one.

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