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38581-18-9

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38581-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38581-18-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,5,8 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 38581-18:
(7*3)+(6*8)+(5*5)+(4*8)+(3*1)+(2*1)+(1*8)=139
139 % 10 = 9
So 38581-18-9 is a valid CAS Registry Number.

38581-18-9Downstream Products

38581-18-9Relevant articles and documents

Regioselective N-arylation of nitroazoles. Determination of the structure of N-arylnitro-azoles on the basis of NMR spectroscopic data and quantum-chemical calculations

Chertkov,Shestakova,Davydov

experimental part, p. 45 - 54 (2012/01/05)

The N-arylation of a series of nitroazoles has been studied with the aid of diaryliodonium salts in the presence of CuI under the action of microwave radiation. It was found that alkylation proceeds regioselectively in each actual case with the formation

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