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125982-40-3

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125982-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125982-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,9,8 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 125982-40:
(8*1)+(7*2)+(6*5)+(5*9)+(4*8)+(3*2)+(2*4)+(1*0)=143
143 % 10 = 3
So 125982-40-3 is a valid CAS Registry Number.

125982-40-3Relevant articles and documents

NOUVELLE METHODE DE PROTECTION DU CARBOXYLE DES ACIDES a-AMINES: ESTERS 9-FLUORENYLIQUES

Proussios, Cleanthis,Kolovos, Miltiadis

, p. 3413 - 3414 (2007/10/02)

The novel 9-fluorenyl esters of various L-a-aminoacids (N-protected or N-free) are easily obtained by the action of 9-diazofluorene on the aminoacid in the appropriate organic solvent.Such esters are cleanly cleaved by mild acidolysis or hydrogenolysis and can serve as amino-components in peptide synthesis.

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