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638211-23-1

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638211-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 638211-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,8,2,1 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 638211-23:
(8*6)+(7*3)+(6*8)+(5*2)+(4*1)+(3*1)+(2*2)+(1*3)=141
141 % 10 = 1
So 638211-23-1 is a valid CAS Registry Number.

638211-23-1Relevant articles and documents

One-pot microwave-promoted synthesis of nitriles from aldehydes via tert-butanesulfinyl imines

Tanuwidjaja, Jessica,Peltier, Hillary M.,Lewis, Jared C.,Schenkel, Laurie B.,Ellman, Jonathan A.

, p. 3385 - 3389 (2007)

A facile, one-pot method for the synthesis of nitriles from aldehydes via a microwave-promoted, concerted elimination of tert-butanesulfenic acid from tert-butanesulfinyl-protected imines, is described. The mild reaction conditions exhibit broad functional group compatibility and generate products in good isolated yield (69-87%). This method provides a rapid and mild procedure for the synthesis of various functionalized nitriles. Georg Thieme Verlag Stuttgart.

BENZOLACTAM COMPOUNDS AS PROTEIN KINASE INHIBITORS

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Page/Page column 289; 290, (2017/08/01)

The invention provides a compound of formula (0): or a pharmaceutically acceptable salt, N-oxide or tautomer thereof. The compounds are inhibitors of ERK 1/2 kinases and will be useful in the treatment of ERKl/2-mediated conditions. The compounds are therefore useful in therapy, in particular in the treatment of cancer.

Stereoselective Synthesis of 1,2-Disubstituted β-Amino Alcohols by Nucleophilic Addition to N-tert-Butanesulfinyl α-Alkoxyaldimines

Evans, Jared W.,Ellman, Jonathan A.

, p. 9948 - 9957 (2007/10/03)

N-tert-Butanesulfinyl α-alkoxyaldimines are readily prepared from protected (S)-lactals without epimerization at the α-stereocenter. Addition of ethyl and phenyl Grignard reagents, as well as the titanium enolate of methyl acetate, to the N-tert-butanesul

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