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121253-55-2

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121253-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121253-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,2,5 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121253-55:
(8*1)+(7*2)+(6*1)+(5*2)+(4*5)+(3*3)+(2*5)+(1*5)=82
82 % 10 = 2
So 121253-55-2 is a valid CAS Registry Number.

121253-55-2Downstream Products

121253-55-2Relevant articles and documents

An Efficient Synthesis of Novel α-Diketone and α-Keto Ester Derivatives of N-Protected Amino Acids and Peptides

Angelastro, Michael R.,Peet, Norton P.,Bey, Philippe

, p. 3913 - 3916 (2007/10/02)

A novel synthetic approach to α-diketone and α-keto ester derivatives of N-protected amino acids and peptides via a common intermediate is described.Conversion of the carboxyl group of N-protected amino acids and peptides into an α-keto vinyl ether functi

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