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18428-20-1

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18428-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18428-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,2 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18428-20:
(7*1)+(6*8)+(5*4)+(4*2)+(3*8)+(2*2)+(1*0)=111
111 % 10 = 1
So 18428-20-1 is a valid CAS Registry Number.

18428-20-1Upstream product

18428-20-1Relevant articles and documents

DIRECTIVITY OF THERMAL DECOMPOSITION OF 3-HYDROPEROXYBUTANONE IN OXIDIZED BUTANONE.

Bogomol'nyi,Freidin

, p. 1080 - 1082 (2007/10/02)

Breakdown of n-butane during its oxidation to acetic acid is usually thought to be associated with decomposition of 3-hydroperoxybutanone. However, experiments on oxidation of the precursor of this hydroperoxide, butanone, showed the presence of a number of products whose presence might indicate the 3-hydroperoxybutanone is converted, at least partially, without cleavage of the C-C bond. To determine the course of conversion of 3-hydroperoxybutanone the authors studied its thermal decomposition in butanone oxidized by air at 123 degree in a steel autoclave under 1. 47 MPa pressure for 35 min to 1. 8% conversion. It is shown that thermal decomposition of 3-hydroperoxybutanone in oxidized butanone at 123 degree proceeds predominently without cleavage of the C-C bond, with formation of acetoin and biacetyl.

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