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79415-52-4

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79415-52-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79415-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,4,1 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 79415-52:
(7*7)+(6*9)+(5*4)+(4*1)+(3*5)+(2*5)+(1*2)=154
154 % 10 = 4
So 79415-52-4 is a valid CAS Registry Number.

79415-52-4Relevant articles and documents

Base-catalysed isomerization of 2-propynylamines. Synthesis of (dialkylamino)allenes

Verkruijsse, H. D.,Bos, H. J. T.,Noten, L. J. de,Brandsma, L.

, p. 244 - 246 (2007/10/02)

A number of (dialkylamino)allenes 2 have been obtained in excellent yields and in a reasonable state of purity by isomerization of dialkyl-2-propynylamines 1 with potassium tert-butoxide in tetrahydrofuran or with the complex t-BuOK*t-BuOH in hexamethylphosphoric triamide.Treatment of the 2-propynylamines with t-BuOK in dimethyl sulfoxide leads to equilibrium mixtures of the allenic amines 2 and dialkyl-1-alkynylamines 3.

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