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13225-63-3

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13225-63-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13225-63-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,2 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13225-63:
(7*1)+(6*3)+(5*2)+(4*2)+(3*5)+(2*6)+(1*3)=73
73 % 10 = 3
So 13225-63-3 is a valid CAS Registry Number.

13225-63-3Downstream Products

13225-63-3Relevant articles and documents

Thermal and Au(I)-catalyzed intramolecular [4+2] cycloaddition of aryl-substituted 1,6-diynes for the synthesis of biaryl compounds

Shibata, Takanori,Fujiwara, Ryo,Takano, Daisuke

, p. 2062 - 2066 (2005)

1,6-Diynes, possessing aryl groups on their termini, undergo an intramolecular [4+2] cycloaddition via strained cyclic allene intermediates to give various biaryl compounds. Under thermal conditions, isomerization of the intermediates occurs, while, in th

Gold-catalyzed synthesis of bicyclo[4.3.0]nonadiene derivatives via tandem 6-endo-dig/Nazarov cyclization of 1,6-allenynes

Lin, Guan-You,Yang, Chun-Yao,Liu, Rai-Shung

, p. 6753 - 6757 (2008/02/10)

(Chemical Equation Presented) Catalytic cyclization of 1,6-allenynes was achieved by AuPPh3SbF6 (5 mol %) in cold CH 2Cl2 (0°C, 0.5-4 h) to form bicyclo[4.3.0]nonadiene products; this cyclization proceeded more

Novel synthesis of pentacarbonylbenzopyranylidenetungsten(0) complexes and their Diels - Alder reaction with electron-rich alkenes [11]

Iwasawa,Shido,Maeyama,Kusama

, p. 10226 - 10227 (2007/10/03)

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