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74851-66-4

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74851-66-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74851-66-4 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 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74851-66:
(7*7)+(6*4)+(5*8)+(4*5)+(3*1)+(2*6)+(1*6)=154
154 % 10 = 4
So 74851-66-4 is a valid CAS Registry Number.

74851-66-4Downstream Products

74851-66-4Relevant 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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