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109273-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109273-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,7 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 109273-23:
116 % 10 = 6
So 109273-23-6 is a valid CAS Registry Number.

109273-23-6Relevant articles and documents

Specific Covalent Fixation of Chelating Agents on Peptides

Sergheraert, Christian,Maes, Pierrette,Tartar, Andre

, p. 1061 - 1064 (2007/10/02)

The synthesis of two selectively protected bifunctional analogues of ethylenediaminetetra-acetic acid (EDTA) is described.In these analogues the four carboxy groups involved in chelation are protected as benzyl or t-butyl esters, while the fifth one, whic

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