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220655-11-8

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220655-11-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220655-11-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,6,5 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220655-11:
(8*2)+(7*2)+(6*0)+(5*6)+(4*5)+(3*5)+(2*1)+(1*1)=98
98 % 10 = 8
So 220655-11-8 is a valid CAS Registry Number.

220655-11-8Upstream product

220655-11-8Relevant articles and documents

A recyclable Ru-based metathesis catalyst

Kingsbury, Jason S.,Harrity, Joseph P. A.,Bonitatebus Jr., Peter J.,Hoveyda, Amir H.

, p. 791 - 799 (1999)

A Ru carbene (8, Scheme 2) that contains an internal metal-oxygen chelate is an active metathesis catalyst and is readily obtained by the sequential treatment of Cl2Ru(PPh3)3 with (2-isopropoxyphenyl)- diazomethane and PCy3. This Ru-carbene complex offers excellent stability to air and moisture and can be recycled in high yield by silica gel column chromatography. The structures of this and related complexes have been unambiguously established by NMR and single-crystal X-ray diffraction studies.

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