Cas 99930-90-2,C<sub>19</sub>H<sub>26</sub>OS

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Check Digit Verification of cas no

The CAS Registry Mumber 99930-90-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,3 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99930-90:
(7*9)+(6*9)+(5*9)+(4*3)+(3*0)+(2*9)+(1*0)=192
192 % 10 = 2
So 99930-90-2 is a valid CAS Registry Number.

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99930-90-2Relevant academic research and scientific papers

A SIMPLE PREPARATIVE METHOD FOR OPTICALLY PURE 1-ALKENYL p-TOLYL SULFOXIDES VIA 1-ALKYNYL p-TOLYL SULFOXIDES

Kosugi, Hiroshi,Kitaoka, Masaki,Tagami, Katsuya,Uda, Hisashi

, p. 805 - 808 (1985)

1-Alkynyl Grignard reagents react with (SS)-(-)-menthyl p-toluene-sulfinate in toluene to give optically active 1-alkynyl p-tolyl sulfoxides in high yields.The 1-alkynyl sulfoxides thus obtained undergo a stereoselective hydroalumination follow

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