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97554-97-7

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97554-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97554-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,5,5 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 97554-97:
(7*9)+(6*7)+(5*5)+(4*5)+(3*4)+(2*9)+(1*7)=187
187 % 10 = 7
So 97554-97-7 is a valid CAS Registry Number.

97554-97-7Relevant articles and documents

A One-Pot Peptide Synthesis via Se-phenyl Carboselenoate in Mixed Aqueous/Organic Solvent System

Ghosh, Sunil Kumar,Singh, Usha,Chandha, Mohindra S.,Mamdapur, Vasant R.

, p. 1566 - 1568 (1993)

A one pot synthesis of peptides with free C-terminal residues has been accomplished via the active Se-phenyl carboselenoate using diphenyl diselenide, tributylphosphine, and N-methylmorpholine N-oxide in an acetonitrile- water mixed solvent system.Free amino acids and peptides have been used as the amine component without pH adjustment.

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