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444643-04-3

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444643-04-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 444643-04-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,6,4 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 444643-04:
(8*4)+(7*4)+(6*4)+(5*6)+(4*4)+(3*3)+(2*0)+(1*4)=143
143 % 10 = 3
So 444643-04-3 is a valid CAS Registry Number.

444643-04-3Relevant articles and documents

Highly diastereoselective hydrogenation of imines by a bimetallic Pd-Cu heterogeneous catalyst

Mueslehiddinoglu, Jale,Li, Jun,Tummala, Srinivas,Deshpande, Rajendra

experimental part, p. 890 - 894 (2011/03/20)

An efficient and practical heterogeneous bimetallic Pd-Cu/C catalyst was identified as an alternative to Raney nickel for the highly diastereoselective hydrogenation of imines prepared from prochiral ketones and α- phenylethylamines. Chiral amines were ob

Highly regioselective hydrogenolysis of bis(α-methylbenzyl)amine derivatives affected by the trifluoromethyl substituent on the aromatic ring

Kanai, Masatomi,Yasumoto, Manabu,Kuriyama, Yokusu,Inomiya, Kenjin,Katsuhara, Yutaka,Higashiyama, Kimio,Ishii, Akihiro

, p. 1007 - 1010 (2007/10/03)

(Matrix presented) The highly regioselective hydrogenolysis of bis(α-methylbenzyl)amine derivatives proceeded with influence not from the electronic effect but from the steric effect of the trifluoromethyl substituent on the aromatic ring to provide a practical asymmetric synthesis of trifluoromethyl-substituted α-phenylethylamines.

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