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92073-01-3

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92073-01-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92073-01-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,0,7 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 92073-01:
(7*9)+(6*2)+(5*0)+(4*7)+(3*3)+(2*0)+(1*1)=113
113 % 10 = 3
So 92073-01-3 is a valid CAS Registry Number.

92073-01-3Relevant articles and documents

An efficient synthetic method of N-protected dipeptide acids using amino acid calcium carboxylates in an organic solvent

Hashimoto, Chikao,Takeguchi, Kazunobu,Kodomari, Mitsuo

, p. 1427 - 1430 (2011)

The syntheses of N-protected dipeptide acids using alkaline earth metal (Mg, Ca, and Ba) carboxylates of an amino acid in organic solvents were investigated. It was found that amino acid calcium carboxylates are the most effective among the carboxylates of the amino acids tested for coupling with active esters of Boc-Ala-OH in organic solvents. The coupling of Boc-Ala-ONp or Boc-Ala-ONSu with amino acid calcium carboxylates in DMF gave the desired N-protected dipeptide acids in high yields (92-100%). Georg Thieme Verlag Stuttgart - New York.

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