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6712-31-8

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6712-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6712-31-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,1 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6712-31:
(6*6)+(5*7)+(4*1)+(3*2)+(2*3)+(1*1)=88
88 % 10 = 8
So 6712-31-8 is a valid CAS Registry Number.

6712-31-8Relevant articles and documents

Transition-Metal-Free Radical Hydrotrifluoromethylation of Alkynes

Matcha, Kiran,Antonchick, Andrey P.

supporting information, p. 309 - 312 (2019/01/24)

A combination of readily available and bench-stable CF3SO2Na and tBuOOH was efficiently used for hydrotrifluoromethylation of alkynes. An excellent trans-selectivity was demonstrated in the synthesis of alkenes. The developed mild reaction conditions allow the supression of the competing Meyer–Schuster-type rearrangement.

Allenyl ester precursors for 1H-inden-1-ol carboxylates: Comparisons with their propargylic equivalents having terminal alkyne functions

Asikainen, Martta,Woodward, Simon

experimental part, p. 5492 - 5497 (2012/09/08)

The reactivity of allenyl carboxylates, Ar(R1)CCCH(O 2CR2) and their isomeric equivalents the terminal propargylic carboxylates, ArC(R1)(O2CR2)CCH, in gold-catalyzed carbocyclization to ind

Hydrolytic Resolution of Tertiary Acetylenic Acetate Esters With the Lipase from Candida Cylindracea

O'Hagan, David,Zaidi, Naveed A.

, p. 947 - 949 (2007/10/02)

The kinetic resolution of a series of tertiary acetylenic acetate esters using the lipase from Candida cylindracea has been explored.Compounds 6c and the trifluoromethyl acetate 6e have been resolved with high enantiomeric enrichment.Several other tertiary acetate esters carrying a CF3 group have been investigated which proved inert to enzymatic hydrolysis.From these results and published data, we are able to propose a predictive model for identifying the preferred enantiomer of secondary and tertiary trifluoromethyl acetate esters for this lipase.

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