Cas 1219972-99-2,C17H21NO2S

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Check Digit Verification of cas no

The CAS Registry Mumber 1219972-99-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,9,7 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1219972-99:
(9*1)+(8*2)+(7*1)+(6*9)+(5*9)+(4*7)+(3*2)+(2*9)+(1*9)=192
192 % 10 = 2
So 1219972-99-2 is a valid CAS Registry Number.

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1219972-99-2Relevant academic research and scientific papers

Rh(i)-catalyzed intramolecular [3 + 2] cycloaddition reactions of 1-ene-, 1-yne- and 1-allene-vinylcyclopropanes

Jiao, Lei,Lin, Mu,Yu, Zhi-Xiang

supporting information; experimental part, p. 1059 - 1061 (2010/06/18)

New Rh(i)-catalyzed intramolecular [3 + 2] cycloaddition reactions of 1-ene-, 1-yne and 1-allene-vinylcyclopropanes have been developed, affording an efficient and versatile synthesis of cyclopentane- and cyclopentene-embedded bicyclic structures.

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