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70311-09-0

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70311-09-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70311-09-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,3,1 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70311-09:
(7*7)+(6*0)+(5*3)+(4*1)+(3*1)+(2*0)+(1*9)=80
80 % 10 = 0
So 70311-09-0 is a valid CAS Registry Number.

70311-09-0Downstream Products

70311-09-0Relevant articles and documents

β-oxoacids esters in the synthesis of benzo[f]quinoline derivatives

Gusak,Kozlov

, p. 706 - 718 (2008/02/08)

Condensation of ethyl acetoacetate and ethyl 3-oxo-3-(2-furyl-, 2-quinolyl-, 3-pyridyl)propanoates with azomethines of 2-naphthylamine series led to the formation of ethyl (3-arylbenzo[f]quinol-1-yl)acetates and of esters of the corresponding 3-aryl-1-heteryl-2-benzo[f]quinolylcarboxylic acids. The intermediate reaction products were isolated: ethyl 5-(2-naphthylamino)-3-oxo-5- phenylpentanoate, 2-[(aryl)(2-naphthylamino)methyl]-3-heteryl-3-oxopropanoates, dihydro and tetrahydro derivatives of benzoquinolylacetic and benzoquinolinecarboxylic acids. Nauka/Interperiodica 2007.

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