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112161-80-5

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112161-80-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112161-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,1,6 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 112161-80:
(8*1)+(7*1)+(6*2)+(5*1)+(4*6)+(3*1)+(2*8)+(1*0)=75
75 % 10 = 5
So 112161-80-5 is a valid CAS Registry Number.

112161-80-5Relevant articles and documents

SYNTHESIS OF SUBSTITUTED THIENOTHIAZOLES AND INDOLOTHIAZOLES

Pinkin, L. D.,Dzyubenko, V. G.,Abramenko, P. I.,Shpileva, I. P.

, p. 345 - 352 (2007/10/02)

Alkylene-, halo-, and aryl-substituted 2-methylthienothiazoles were obtained by the action of phosphorus pentasulfide on the corresponding 2-acetylamino-3-bromo- or 2-acetylamino-3-hydroxythiophenes in an organic solvent with heating. 2-Oximes of halo- and methyl-substituted isatins were converted by reduction and acetylation into 2-hydroxy-3-acetylaminoindoles, from which 2-methylindolo-thiazoles were obtained by the action of phosphorous pentasulfide with heating in xylene.

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