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2,6-Dihydroxybicyclo<3.3.1>nona-2,6-dien-1,3,5,7-tetracarbonsaeure-tetramethylester (Dinatrium-Salz) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

151222-63-8

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151222-63-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 151222-63-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,2,2 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 151222-63:
(8*1)+(7*5)+(6*1)+(5*2)+(4*2)+(3*2)+(2*6)+(1*3)=88
88 % 10 = 8
So 151222-63-8 is a valid CAS Registry Number.

151222-63-8Relevant academic research and scientific papers

Improved Preparation of Meerwein's Ester and Structure of Neutral By-products: Pentamethyl 1,1,3,3,5-Cyclohexanepentacarboxylate and Methyl 1-Piperidinecarboxylate

Quast, Helmut,Goerlach, Yvonne,Stawitz, Josef

, p. 1653 - 1658 (2007/10/02)

In a simplified procedure on a 10 mole scale, Meerwein's ester (2) is obtained from dimethyl malonate and formaldehyde in 48 - 52percent yield if the reaction time is extended and the disodium salt of 2 is isolated.Methyl 1-piperidinecarboxylate (7) and pentamethyl 1,1,3,3,5-cyclohexanepentacarboxylate (8) are formed as neutral by-products.The structure of the latter is confirmed by spectroscopic methods.The mechanism of formation of 8 is discussed.

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