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1253783-36-6

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1253783-36-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253783-36-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,7,8 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1253783-36:
(9*1)+(8*2)+(7*5)+(6*3)+(5*7)+(4*8)+(3*3)+(2*3)+(1*6)=166
166 % 10 = 6
So 1253783-36-6 is a valid CAS Registry Number.

1253783-36-6Downstream Products

1253783-36-6Relevant articles and documents

Asymmetric transfer hydrogenation of ketones in aqueous solution catalyzed by rhodium(III) complexes with C2-symmetric fluorene-ligands containing chiral (1R,2R)-cyclohexane-1,2-diamine

Montalvo-Gonza?lez, Rube?n,Cha?vez, Daniel,Aguirre, Gerardo,Parra-Hakea, Miguel,Somanathan, Ratnasamy

, p. 431 - 435 (2010)

Two C2-symmetric bis(sulfonamide) ligands containing fluorene-chiral (1R,2R)-cyclohexane- 1,2-diamine were complexed to Rh III(Cp*) and used as catalyst to reduce aromatic ketones. The corresponding chiral secondary alcohols were obtained in 87-100percent ee and 85-99percent yield, under asymmetric transfer hydrogenation (ATH) conditions using aqueous sodium formate as the hydride source. With acetophenone, 94percent ee and 86-97percent yield was achieved with substrate/catalyst (S/C) ratio of 10,000.

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