Cas 123315-55-9,dimethyl(o-tolyl)(benzo<b>thien-2-yl)silane

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Check Digit Verification of cas no

The CAS Registry Mumber 123315-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,3,1 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123315-55:
(8*1)+(7*2)+(6*3)+(5*3)+(4*1)+(3*5)+(2*5)+(1*5)=89
89 % 10 = 9
So 123315-55-9 is a valid CAS Registry Number.

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123315-55-9Relevant articles and documents

SYNTHESIS OF TETRAORGANO-SUBSTITUTED SILANES WITH THE BENZOTHIOPHENE MOIETY

Polosin, V. M.,Astakhov, A. A.,Ivashchenko, A. V.,Ryashentseva, M. A.,Belanova, E. P.,et al.

, p. 352 - 355 (1989)

Catalytic dehydrocyclization of dimethyl(o-tolyl)- and dimethyl-4-(m-xylyl)-(benzothien-2-yl)silanes has given 11,11-dimethyl and 8,11,11-trimethyl-6,11-dihydro-11-silabenzonaphthothiophenes, which were oxidized to the ketones.Previously unknown diorganobis(benzothien-2-yl)silanes have been obtained.

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123315-55-9