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25957-50-0

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25957-50-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25957-50-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,9,5 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 25957-50:
(7*2)+(6*5)+(5*9)+(4*5)+(3*7)+(2*5)+(1*0)=140
140 % 10 = 0
So 25957-50-0 is a valid CAS Registry Number.

25957-50-0Relevant articles and documents

Mechanism of Asymmetric Hydrogenation. Rhodium Complexes Formed by Unsaturated Carboxylic Acids, Carboxylates, and Carboxamides

Brown, John M.,Parker, David

, p. 2722 - 2730 (1982)

α,β-Unsaturated acids displace solvent from (RR)--2,2-dimethyldioxolan>bis(methanol)rhodium cation, forming chelate complexes in which olefin and carboxylate are bound to the metal.The strength of complexation is enhance

Ene reactions with α-chloronitroso compounds: Asymmetric synthesis of N-allylhydroxylamines

Kresse, G.,Vasella, A.,Felber, H.,Ritter, A.,Ascherl, B.

, p. 295 - 298 (2007/10/02)

The α-chloronitroso mannose derivative 1 undergoes ene reactions with alkenes 2 to yield nitrone hydrochlorides 3 which may be hydrolyzed to alllylic hydroxylamines.The enophilic reativity of 1 is much higher than that of other α-chloronitroso compounds.T

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