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94074-32-5

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94074-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94074-32-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,0,7 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94074-32:
(7*9)+(6*4)+(5*0)+(4*7)+(3*4)+(2*3)+(1*2)=135
135 % 10 = 5
So 94074-32-5 is a valid CAS Registry Number.

94074-32-5Relevant articles and documents

Reactions od Arylazosulfones with the Conjugate Bases of Active-Methylene Compounds

Dell'Erba, Carlo,Novi, Marino,Petrillo, Giovanni,Tavani, Cinzia

, p. 3905 - 3914 (2007/10/02)

The reaction between arylazo p-tolyl sulfones 1a-f (Ar-N=N-SO2-p-Tol) and the potassium salts of some active-methylene compounds (CH2XY: X, Y = CN, COOEt) represents an example of unprecedented behaviour of azosulfones and effectively leads, depending on the nucleophile, to either unsymmetrical (6-8) or symmetrical (9) tetrasubstituted ethylenes.Of particular interest is the possibility to synthesize, in high yields and mild conditions, polarysed ethylenes some of which are otherwise not easily accessible.A mechanism involving successive condensation processes is supported by experimental evidence.

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