161123-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161123-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,1,2 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 161123-45:
(8*1)+(7*6)+(6*1)+(5*1)+(4*2)+(3*3)+(2*4)+(1*5)=91
91 % 10 = 1
So 161123-45-1 is a valid CAS Registry Number.
161123-45-1Relevant articles and documents
A New Method for Hydroxymethylene Peptide Isostere Synthesis: Asymmetric Synthesis of Statine
Williams, Robert M.,Colson, Pierre-Jean,Zhai, Weixu
, p. 9371 - 9374 (1994)
The asymmetric synthesis of (-)-Statine is described.The key step of the synthesis involves the coupling of hemi-acetal 6 with the ketene silyl acetal of methyl acetate.
