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220491-33-8

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220491-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220491-33-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,4,9 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 220491-33:
(8*2)+(7*2)+(6*0)+(5*4)+(4*9)+(3*1)+(2*3)+(1*3)=98
98 % 10 = 8
So 220491-33-8 is a valid CAS Registry Number.

220491-33-8Upstream product

220491-33-8Downstream Products

220491-33-8Relevant articles and documents

New synthetic strategy toward pyridine-based ligands for supramolecular chemistry utilizing 2,6-bis(trimethyltin)pyridine as the central building block

Schubert, Ulrich S.,Eschbaumer, Christian

, p. 1027 - 1029 (1999)

(matrix presented) 2,6-Bis(trimethyltin)pyridine was synthesized in high yields and multigram quantities and used for Stille-type coupling procedures to prepare 2,2′-bipyridines, 5,5″-dimethyl-2,2′:6′,2″-terpyridine, and 4,6-bis(5″-methyl-2″,2′-bipyrid-6′

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