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1380676-41-4

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1380676-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1380676-41-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,6,7 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1380676-41:
(9*1)+(8*3)+(7*8)+(6*0)+(5*6)+(4*7)+(3*6)+(2*4)+(1*1)=174
174 % 10 = 4
So 1380676-41-4 is a valid CAS Registry Number.

1380676-41-4Downstream Products

1380676-41-4Relevant articles and documents

Copper-catalyzed complete regio- and stereoselective cyclization of 1-aryl-3-sulfanyl-4-oxahepta-1,6-diynes triggered by alkynylation

Yoshimatsu, Mitsuhiro,Sasaki, Hitomi,Sugimoto, Yuko,Nagase, Yuya,Tanabe, Genzoh,Muraoka, Osamu

supporting information; experimental part, p. 3190 - 3193 (2012/08/07)

Copper(I)-catalyzed alkynylation-cyclization of 4-oxahepta-1,6-diynes 1 with a wide variety of terminal alkynes proceeded to give (3E,4Z)-3- (phenylsulfanylmethylene)-4-(2-propynylidene)tetrahydrofuran-2-yl]benzenes 2aa-he in high yields with complete regio- and stereoselectivity.

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