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128654-38-6

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128654-38-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128654-38-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,5 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128654-38:
(8*1)+(7*2)+(6*8)+(5*6)+(4*5)+(3*4)+(2*3)+(1*8)=146
146 % 10 = 6
So 128654-38-6 is a valid CAS Registry Number.

128654-38-6Downstream Products

128654-38-6Relevant articles and documents

Reactions of Aryl Azides with Alkenes in the Presence of Aluminium Trichloride. Formation of Novel Aziridines fused to Seven- and Eight-membered Rings

Takeuchi, Hiroshi,Shiobara, Yukihiko,Kawamoto, Hideyuki,Koyama, Kikuhiko

, p. 321 - 327 (2007/10/02)

Reactions of aryl azides (1) with cyclohexene gave 3-(arylamino)cyclohexenes (2) and trans-1-chloro-2-(arylamino)cyclohexanes (3), whereas that of (1) with cycloheptene or cis-cyclo-octene afforded novel aziridines, 8-aryl-8-azabicyclooctanes (4), or 9-aryl-9-azabicyclononanes (5), respectively.The reaction of phenyl azide (1a) with cis-4-methylpent-2-ene yielded 3-anilino-2-chloro-4-methylpentane (10), but that with the trans-alkene gave 4-anilino-2-methylpent-2-ene (7) and 3-anilino-4-methylpent-1-ene (8).The similar reaction of (1) with 3-trimethylsilylcyclohexene or 3-trimethylsilyl-cis-cyclo-octene produced only (2) or 3-(arylamino)-cis-cyclo-octenes (2').The formation of the aziridines or the ring-opened products was explained by a mechanism via an aziridinium-AlCl3 complex formed from an azide-AlCl3 complex.

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