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138999-71-0

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138999-71-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138999-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,9 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138999-71:
(8*1)+(7*3)+(6*8)+(5*9)+(4*9)+(3*9)+(2*7)+(1*1)=200
200 % 10 = 0
So 138999-71-0 is a valid CAS Registry Number.

138999-71-0Relevant articles and documents

Synthesis of a new diaminodithiol bifunctional chelator for radiolabeling biomolecules with indium(III)

Sun, Yizhen,Martell, Arthur E.,Welch, Michael J.

, p. 5093 - 5103 (2007/10/03)

The synthesis of a new bifunctional ligand 1-(p- carboxybenzyl)-N,N'-bis-[1,1-dimethyl-1-(p- methoxybenzylthio)ethyl]ethylenediamine-N,N'-diacetic acid, di-t- butyl ester (1, nbi6ss) is described. It consists of a carboxybenzyl group substituted on a carb

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