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1217319-32-8

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1217319-32-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1217319-32-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,3,1 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1217319-32:
(9*1)+(8*2)+(7*1)+(6*7)+(5*3)+(4*1)+(3*9)+(2*3)+(1*2)=128
128 % 10 = 8
So 1217319-32-8 is a valid CAS Registry Number.

1217319-32-8Relevant articles and documents

Synthesis of novel tetrahydronaphthalen-2-yl heterocycles for analgesic, anti-inflammatory and antipyretic evaluation

Fathalla, Omar Abd El-Fattah M.,Anwar, Manal M.,Haiba, Mogeda E.,Nofal, Salwa M.

experimental part, p. 259 - 270 (2009/12/24)

Condensation of 2-acetyltetralin with ethylcyanoacetate and/or malononitrile and some aldehydes in the presence of excess of ammonium acetate afforded the respective hydroxycyanopyridines or aminocyanopyridines 1a-f and 2a-f. Treatment of 2-acetyltetralin with some sulfonylhydrazides yielded the hydrazone derivatives 3a-d, respectively, which upon treatment with thioglycolic acid gave the corresponding thiazole derivatives 4a-d, respectively. Compounds 4a-d underwent cyclocondensation with different arylidene derivatives to give the Corresponding pyrane derivatives 5a-d. Upon the reaction of compounds 4a-d with some secondary amines and paraformaldehyde the corresponding Mannich bases 6a,c, 7b,d and 8a,d were obtained . Compounds 1c, 1d, 1e, 2e, 3a and 3d were evaluated as analgesic, anti-iflammatory and antipyretic agents.

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