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138996-22-2

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138996-22-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138996-22-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,9 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138996-22:
(8*1)+(7*3)+(6*8)+(5*9)+(4*9)+(3*6)+(2*2)+(1*2)=182
182 % 10 = 2
So 138996-22-2 is a valid CAS Registry Number.

138996-22-2Downstream Products

138996-22-2Relevant articles and documents

Novel reaction of 1-aryl-2-bromodiazene 1-oxides with olefins. Synthesis of 1-aryl-2-(2-bromoalkyl)diazene 1-oxides

Churakov, A. M.,Tyurin, A. Yu.,Goncharova, E. L.,Ioffe, S. L.,Strelenko, Yu. A.,Tartakovsky, V. A.

, p. 890 - 896 (2007/10/02)

The addition of 1-aryl-2-bromodiazene 1-oxides to olefins yields 1-aryl-2-(2-bromoalkyl)diazene 1-oxides (4).A radical mechanism of the reaction has been suggested.Compounds 4 decompose to give bromohydrazones of formaldehyde and aldehydes.The structural factors that affect the rate of this process are discussed.

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