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5-Quinazolinol, 5,6,7,8-tetrahydro-4-methyl-2,5-diphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140655-08-9

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140655-08-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140655-08-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,6,5 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 140655-08:
(8*1)+(7*4)+(6*0)+(5*6)+(4*5)+(3*5)+(2*0)+(1*8)=109
109 % 10 = 9
So 140655-08-9 is a valid CAS Registry Number.

140655-08-9Relevant academic research and scientific papers

Synthesis of 5-propynyloxycycloalkanepyrimidines and their selectivity and reactivity in intramolecular Diels-Alder reactions

Stolle, Werner A. W.,Veurink, Jacqueline M.,Marcelis, Antonius T. M.,Van Der Plas, Henk C.

, p. 1643 - 1656 (2007/10/02)

The 5-propynyloxycycloalkane pyrimidines IIIA (17-20), IIIB (21-24), and IIIC (25, 26) and the 5-(1-propynyloxyethyl) pyrimidines IIID (27,28), easily undergo intramolecular Diels-Alder reactions with inverse electron demand and a subsequent retro Diels-A

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