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261167-63-9

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261167-63-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 261167-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,1,1,6 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 261167-63:
(8*2)+(7*6)+(6*1)+(5*1)+(4*6)+(3*7)+(2*6)+(1*3)=129
129 % 10 = 9
So 261167-63-9 is a valid CAS Registry Number.

261167-63-9Relevant articles and documents

Synthesis of 2-amino-2-methyl-4-phosphonobutanoic acids by conjugate addition of lithiated bislactim ether derived from cyclo[Ala-D-Val] to vinylphosphonates

Ruiz, María,Ojea, Vicente,Fernández, M. Carmen,Conde, Susana,Díaz, Aniana,Quintela, Jose M.

, p. 1903 - 1906 (1999)

Face-selective conjugate addition of lithiated Schollkopf's bislactim ether derived from cyclo[Ala-D-Val] 4 to prochiral vinylphosphonates 5a-c allows a direct and stereocontrolled access to optically pure MAP4 analogues, the 2-amino-2-methyl-4-phosphonob

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