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819048-84-5

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819048-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 819048-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,9,0,4 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 819048-84:
(8*8)+(7*1)+(6*9)+(5*0)+(4*4)+(3*8)+(2*8)+(1*4)=185
185 % 10 = 5
So 819048-84-5 is a valid CAS Registry Number.

819048-84-5Relevant articles and documents

Tandem dienyne ring-closing metathesis of alkynyl silaketals for the formation of bicyclic siloxanes

Grimm, Jonathan B.,Otte, Ryan D.,Lee, Daesung

, p. 5508 - 5516 (2007/10/03)

The tandem dienyne ring-closing metathesis of alkynyl silaketals containing two tethered olefins was achieved with second generation Grubbs NHC-ruthenium carbene complex to provide bicyclic siloxanes in good to excellent yield. Silaketals synthesized from

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