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79099-23-3

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79099-23-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79099-23-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,0,9 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79099-23:
(7*7)+(6*9)+(5*0)+(4*9)+(3*9)+(2*2)+(1*3)=173
173 % 10 = 3
So 79099-23-3 is a valid CAS Registry Number.

79099-23-3Relevant articles and documents

Enamino Ketones as Precursors of Functionalised 2H-Thiopyrans and Thiopyrano- and -benzothiopyrans

Gabbutt, Christopher D.,Hepworth, John D.,Heron, B. Mark

, p. 2603 - 2608 (2007/10/02)

Oxo enamino ketones obtained by treating active methylene compounds with N,N-dimethylformamide dimethyl acetal yield novel 2H-thiopyrans in a regioselective one pot thionation--cycloaddition sequence.Application of similar methodology to thiochroman-3-ones affords novel thiopyranobenzothiopyrans and the isomers.

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