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97597-31-4

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97597-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97597-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,5,9 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97597-31:
(7*9)+(6*7)+(5*5)+(4*9)+(3*7)+(2*3)+(1*1)=194
194 % 10 = 4
So 97597-31-4 is a valid CAS Registry Number.

97597-31-4Downstream Products

97597-31-4Relevant articles and documents

Asymmetric transfer hydrogenation of unsaturated ketones; factors influencing 1,4- vs 1,2- regio- and enantioselectivity, and alkene vs alkyne directing effects

Hall, Thomas H.,Adams, Hannah,Vyas, Vijyesh K.,Michael Chu,Wills, Martin

, (2020/12/07)

A detailed study has been completed on the asymmetric transfer hydrogenation (ATH) of a series of enones using Ru(II) catalysts. Electron-rich rings adjacent to the C[dbnd]O group reduce the level of C[dbnd]O reduction compared to C[dbnd]C. The ATH reaction can readily discriminate between double and triple bonds adjacent to ketones, reducing the double bond but leaving a triple bond intact in the major product.

Methane-derived polyanionic synthons from bis(phenylthio)methane

Foubelo, Francisco,Gutierrez, Ana,Yus, Miguel

, p. 8177 - 8180 (2007/10/03)

Successive treatment of bis(phenylthio)methane (1) with (a) n-butyllithium at 0°C, (b) a carbonyl compound [(t)BuCHO, Me2CO, Et2CO, (CH2)5CO] at -40°C, (c) lithium and a catalytic amount of DTBB (5%) and (d) a s

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