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74855-89-3

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74855-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74855-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,5 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74855-89:
(7*7)+(6*4)+(5*8)+(4*5)+(3*5)+(2*8)+(1*9)=173
173 % 10 = 3
So 74855-89-3 is a valid CAS Registry Number.

74855-89-3Downstream Products

74855-89-3Relevant articles and documents

The Chemistry of Aryllead(IV) Tricarboxylates. Reaction with β-Keto Esters: A Convenient Route to α-Arylated Ketones

Pinhey, John T.,Rowe, Bruce A.

, p. 113 - 120 (2007/10/02)

Ethyl 2-oxocyclopentanecarboxylate (1a) and p-methoxyphenyllead triacetate (2a) react in chloroform containing pyridine to give ethyl 1-(p-methoxyphenyl)-2-oxocyclopentanecarboxylate (1b) in almost quantitative yield.This arylation reaction of β-keto este

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