128576-73-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128576-73-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,7 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128576-73:
(8*1)+(7*2)+(6*8)+(5*5)+(4*7)+(3*6)+(2*7)+(1*3)=158
158 % 10 = 8
So 128576-73-8 is a valid CAS Registry Number.
128576-73-8Relevant articles and documents
Stereoselective Synthesis of 2,3-Diamino Acids. 2,3-Diamino-4-phenylbutanoic Acid
Dunn, Peter J.,Haener, Robert,Rapoport, Henry
, p. 5017 - 5025 (2007/10/02)
The synthesis of (2S,3S)- and (2S,3R)-2,3-diamino-4-phenylbutanoic acid (1c and 3) from L-aspartic acid is described.The N-(phenylfluorenyl)-protected aspartic acid diesters 4 and 10 (α-tert-butyl, β-methyl), 18 (β-benzyl, α-tert-butyl), and 28 (β-benzyl,
