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89968-81-0

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89968-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89968-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,6 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89968-81:
(7*8)+(6*9)+(5*9)+(4*6)+(3*8)+(2*8)+(1*1)=220
220 % 10 = 0
So 89968-81-0 is a valid CAS Registry Number.

89968-81-0Relevant articles and documents

Nonclassical Mechanism in the Cyclodehydration of Diols Catalyzed by a Bifunctional Iridium Complex

González Miera, Greco,Bermejo López, Aitor,Martínez-Castro, Elisa,Norrby, Per-Ola,Martín-Matute, Belén

supporting information, p. 2631 - 2636 (2019/02/01)

1,4- and 1,5-diols undergo cyclodehydration upon treatment with cationic N-heterocyclic carbene (NHC)–IrIII complexes to give tetrahydrofurans and tetrahydropyrans, respectively. The mechanism was investigated, and a metal-hydride-driven pathway was proposed for all substrates, except for very electron-rich ones. This contrasts with the well-established classical pathways that involve nucleophilic substitution.

Non-flammable and reusable hydrogenation of aromatic ketones in ionic liquid

Suzuki, Hideyuki,Nishioka, Hiromi,Takeuchi, Yasuo

scheme or table, p. 3686 - 3688 (2012/09/21)

A novel method of hydrogenation of aromatic ketones in the ionic liquid [BHEA][HCO2] was developed; this method is more enhanced in terms of flammability and reusability as compared to the conventional method (H 2 and Pd/C). The redu

γ-Butyltelluro-2-butanol: A route to reactive 1,4-dianion intermediates

Princival, Jefferson L.,De Barros, Simone M. G.,Comasseto, Jo?o V.,Dos Santos, Alcindo A.

, p. 4423 - 4425 (2007/10/03)

γ-Butyltelluro-2-butanol was reacted with 2 equiv of n-butyllithium. Both tellurium/lithium exchange and the proton abstraction reactions took place in a single step and the lithium dianion intermediate efficiently reacted with aldehydes and ketones, producing the corresponding diols.

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