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89321-01-7

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89321-01-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89321-01-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,2 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89321-01:
(7*8)+(6*9)+(5*3)+(4*2)+(3*1)+(2*0)+(1*1)=137
137 % 10 = 7
So 89321-01-7 is a valid CAS Registry Number.

89321-01-7Relevant articles and documents

Amino Acids and Peptides; 55. Synthesis of Biologically Active Cyclopeptides; 7. Total Synthesis of Chlamydocin

Schmidt, Ulrich,Lieberknecht, Albrecht,Griesser, Helmut,Utz, Roland,Beuttler, Thomas,Bartkowiak, Frank

, p. 361 - 366 (2007/10/02)

Methods for the synthesis of cyclopeptides containing non-essential amino acids are described.The total synthesis of the highly cancerostatic Chlamydocin is published.

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