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655239-33-1

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655239-33-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 655239-33-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,5,2,3 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 655239-33:
(8*6)+(7*5)+(6*5)+(5*2)+(4*3)+(3*9)+(2*3)+(1*3)=171
171 % 10 = 1
So 655239-33-1 is a valid CAS Registry Number.

655239-33-1Relevant articles and documents

Straightforward, racemization-free synthesis of peptides with fairly to very bulky di- and trisubstituted glycines

Pinto, Filipa C.S.C.,Pereira-Lima, Sílvia M.M.A.,Maia, Hernani L.S.

experimental part, p. 9165 - 9179 (2009/12/28)

Several fully protected tri- and pentapeptides containing a central symmetrical α,α-dialkyl glycine residue, with the alkyl group varying from methyl or ethyl to benzyl, were synthesized in good yields by a strategy based on the Ugi-Passerini reaction. Ea

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