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853748-87-5

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853748-87-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 853748-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,3,7,4 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 853748-87:
(8*8)+(7*5)+(6*3)+(5*7)+(4*4)+(3*8)+(2*8)+(1*7)=215
215 % 10 = 5
So 853748-87-5 is a valid CAS Registry Number.

853748-87-5Relevant articles and documents

Enantioselective and regioselective nickel-catalyzed multicomponent coupling of chiral allenes, aromatic aldehydes, and silanes

Ng, Sze-Sze,Jamison, Timothy F.

, p. 11405 - 11417 (2005)

A detailed account of the development of a recently developed, nickel-catalyzed multicomponent coupling of chiral allenes, aromatic aldehydes, and silanes is described. The axial chirality of the allene is transferred completely to the product, a trisubstituted Z-allylic alcohol protected as a silyl ether. A very high preference for sp rather than sp2 coupling is observed, and differentially substituted allenes undergo highly site-selective coupling. These transformations represent the first enantioselective multi-component coupling processes of allenes.

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