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120443-18-7

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120443-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120443-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,4,4 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 120443-18:
(8*1)+(7*2)+(6*0)+(5*4)+(4*4)+(3*3)+(2*1)+(1*8)=77
77 % 10 = 7
So 120443-18-7 is a valid CAS Registry Number.

120443-18-7Relevant articles and documents

A Practical Chemoenzymatic Synthesis Of An LTD4 Antagonist

Hughes, D. L.,Song, Z.,Smith, G. B.,Bergan, J. J.,Dezeny, G. C.,et al.

, p. 865 - 874 (1993)

Enzymatic asymmetrization of a prochiral diester having 4 bonds between the ester group and prochiral center is the comerstone of a short and efficient synthesis of an LTD4 antagonist.The enzymatic hydrolysis occurs in a heterogeneous slurry, but a kineti

Stereospecific synthesis, assignment of absolute configuration, and biological activity of the enantiomers of 3-[[[3-[2-(7-chloroquinolin-2-yl)-(E)-ethenyl]phenyl][[3-(dimethylami no)-3-oxopropyl]thio]methyl]thio]propionic acid, a potent and specific leuk

Gauthier,Jones,Champion,Charette,Dehaven,Ford-Hutchinson,Hoogsteen,Lord,Masson,Piechuta,Pong,Springer,Therien,Zamboni,Young

, p. 2841 - 2845 (2007/10/02)

The enantiomers of the leukotriene D4 antagonist 3-[[[3-[2-(7-chloroquin-2-yl)-(E)-ethenyl]phenyl][[3-(dimethylamino)- 3-oxopropyl]thio]methyl]thio]propionic acid (L-660,711)(MK-571) have been prepared, their absolute stereochemistry has been a

ASYMMETRIC DITHIOACETALS III: THE PREPARATION OF THE ENANTIOMERS OF 3-((((3-(2-(7-CHLOROQUINOLIN-2-YL)-(E)-ETHENYL)PHENYL)-3-DIMETHYLAMINO-3-OXOPROPYLTHIO)METHYL)THIO)PROPIONIC ACID (L-660,711) (MK-571), AN ANTAGONIST OF LEUKOTRIENE D4

Young, Robert N.,Gauthier, Jacques Yves,Therien, Michel,Zamboni, Robert

, p. 967 - 978 (2007/10/02)

The application of a novel method for the preparation of chiral dithioacetals to the synthesis of the enantiomers of L-660,711, an antagonist of leukotriene D4, is described.Reaction of 3-(t-butyldiphenylsilyloxymethyl)benzaldehyde or isophthal

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