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380886-38-4

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380886-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 380886-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,8,8 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 380886-38:
(8*3)+(7*8)+(6*0)+(5*8)+(4*8)+(3*6)+(2*3)+(1*8)=184
184 % 10 = 4
So 380886-38-4 is a valid CAS Registry Number.
InChI:InChI=1/C17H21NO5/c1-10(2)13(16(21)22-17(3,4)5)23-18-14(19)11-8-6-7-9-12(11)15(18)20/h6-10,13H,1-5H3/t13-/m1/s1

380886-38-4Relevant articles and documents

Synthesis and characterization of chiral N-O turns induced by α-aminoxy acids

Yang,Li,Ng,Yan,Qu,Wu

, p. 7303 - 7312 (2001)

Chiral α-aminoxy acids of various side chains were synthesized with high optical purity starting from chiral α-amino acids. The conformations of diamides 13a-e, 15, and 16 were probed by using NMR, FT-IR, and CD spectroscopic methods as well as X-ray crystallography. The right-handed turns with eight-membered-ring intramolecular hydrogen bonds between adjacent residues (called the N-O turns) were found to be preferred for D-aminoxy acid residues, and they were independent of the side chains. The rigid chiral N-O turns should have great potential in molecular design.

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