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127870-99-9

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127870-99-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127870-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,8,7 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127870-99:
(8*1)+(7*2)+(6*7)+(5*8)+(4*7)+(3*0)+(2*9)+(1*9)=159
159 % 10 = 9
So 127870-99-9 is a valid CAS Registry Number.

127870-99-9Downstream Products

127870-99-9Relevant articles and documents

SYNTHESIS AND PROPERTIES OF HYDROGENATED 2-ALKYLTHIO-5-OXO-3-CYANOINDENO-PYRIDINES

Krauze, A. A.,Liepin'sh, E. E.,Dubur, G. Ya.

, p. 99 - 103 (2007/10/02)

Condensation of 2-arylidene-1,3-indandiones with cyanothioacetamide in the presence of piperidine, followed by treatment with alkyl halides, has given partially hydrogenated 2-alkylthio-5-oxoindeno-pyridines, the oxidation, interconversion, and Thorpe cyclization of which to give a novel heterocyclic system, indenopyridothiophene, have been examined.

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