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236752-43-5

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236752-43-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 236752-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,6,7,5 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 236752-43:
(8*2)+(7*3)+(6*6)+(5*7)+(4*5)+(3*2)+(2*4)+(1*3)=145
145 % 10 = 5
So 236752-43-5 is a valid CAS Registry Number.

236752-43-5Relevant articles and documents

Synthesis of achiral α,α-disubstituted β-alanines, and their use in construction of libraries of β-peptide conjugates of N-2-alkyl-1,2,3,4- tetrahydroisoquinolines on a solid support

Heinonen, Petri,Virta, Pasi,Loennberg, Harri

, p. 7613 - 7624 (2007/10/03)

Six achiral N-phthaloyl protected α,α-disubstituted β-amino acids were synthesized, and used to construct a 96 compound library of 1,2,3,4- tetrahydroisoquinoline conjugates of β-peptides on a solid support. The library synthesis consisted of attachment of an appropriately 5-O-tethered 1,2,3,4-tetrahydroisoquinoline via the N-2 atom to a vinyl sulfonyl support, elongation of the deprotected 5-O-tether by repeated peptide coupling, quaternarization of N-2 with alkylamines and release of the β-peptide conjugate into solution with triethylamine.

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