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13012-25-4

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13012-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13012-25-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,1 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13012-25:
(7*1)+(6*3)+(5*0)+(4*1)+(3*2)+(2*2)+(1*5)=44
44 % 10 = 4
So 13012-25-4 is a valid CAS Registry Number.

13012-25-4Downstream Products

13012-25-4Relevant articles and documents

Study on the preparation of heteroaryl substituted enamines. A simple synthesis of heteroaryl substituted acetaldoximes from enamines

?opar, Anton,Stanovnik, Branko,Ti?ler, Miha

, p. 465 - 474 (2007/10/03)

A comparative study of the reactivity of methyl groups towards N,N-dimethylformamide dimethyl acetal and tert-butoxybis(dimethylamino)methane was carried out on methyl substituted six-membered nitrogen containing heterocycles 1 to give enamines 2, which were easily transformed to oximes by treating with hydroxylamine hydrochloride in methanol. Most of them were isolated as (E,Z)-oximes of heteroarylacetaldehyde (11), but 5-(1,2,4-triazinyl) substituted derivatives as (E,Z)-oximes of 2,5-dihydro-1,2,4-triazin-(Z)-5-ylideneacetaldehyde (11t, 11u, and 12). Oximes were finally transformed to the corresponding acetonitriles 16 and 3-(dimethylamino)acrylonitriles 17.

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