Cas 21750-59-4,(2-phenylethyl)trichlorogermane

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Check Digit Verification of cas no

The CAS Registry Mumber 21750-59-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,5 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21750-59:
(7*2)+(6*1)+(5*7)+(4*5)+(3*0)+(2*5)+(1*9)=94
94 % 10 = 4
So 21750-59-4 is a valid CAS Registry Number.

21750-59-4Upstream product

21750-59-4Downstream Products

65118-98-1 1-phenyl-2-trimethylgermylethane

21750-59-4Relevant articles and documents

Gas-Phase Reaction of Tetrachlorogermane with 1,1-Dichloro-1-silacyclopent-3-ene. Generation of Dichlorogermylene

Chernyshev,Komalenkova,Yakovleva,Bykovchenko,Khomykh,Bochkarev,Shcherbinin

, p. 1722 - 1724 (2007/10/03)

The reaction of GeCl4 with 1,1-dichloro-1-silacyclopent-3-ene in the gas phase at 550°C was studied. This reaction yields dichlorogermylenes, which react with chlorobenzene or 1,3-butadiene to form phenyltrichlorogermane or 1,1-dichloro-1-germacyclopent-3-ene.

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21750-59-4