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518061-69-3

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518061-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 518061-69-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,8,0,6 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 518061-69:
(8*5)+(7*1)+(6*8)+(5*0)+(4*6)+(3*1)+(2*6)+(1*9)=143
143 % 10 = 3
So 518061-69-3 is a valid CAS Registry Number.

518061-69-3Downstream Products

518061-69-3Relevant articles and documents

Triethylborane-induced radical reaction of alkynylgallium with α-halo carbonyl compounds

Usugi, Shin-ichi,Yorimitsu, Hideki,Shinokubo, Hiroshi,Oshima, Koichiro

, p. 2687 - 2690 (2002)

Treatment of terminal acetylenes with butyllithium, followed by an addition of gallium trichloride, afforded the corresponding alkynylgallium reagents. The reaction of the resulting alkynylgallium with α-halo carbonyl compounds in the presence of triethylborane as a radical initiator provided β,γ-acetylenic carbonyl compounds in good yields.

Alkynylation of α-halocarbonyl compounds - A Stille-type cross-coupling for the formation of C(sp)-C(sp3) bonds under neutral conditions

Shi, Wei,Liu, Chao,Yu, Zai,Lei, Aiwen

, p. 2342 - 2344 (2008/02/11)

A direct alkynylation of readily available α-halo esters and amides with high yields is described herein; a distinct switch from diyne formation to alkynylation products was attained under neutral conditions. The Royal Society of Chemistry.

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