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1325217-52-4

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1325217-52-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1325217-52-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,5,2,1 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1325217-52:
(9*1)+(8*3)+(7*2)+(6*5)+(5*2)+(4*1)+(3*7)+(2*5)+(1*2)=124
124 % 10 = 4
So 1325217-52-4 is a valid CAS Registry Number.

1325217-52-4Downstream Products

1325217-52-4Relevant articles and documents

Hydrolysis and radiation stability of m-xylylene bis-diglycolamide: Synthesis and quantitative study of degradation products by HPLC-APCI +

Galan, Hitos,Murillo, Maria Teresa,Sedano, Rosa,Nunez, Ana,De Mendoza, Javier,Gonzalez-Espartero, Amparo,Prados, Pilar

, p. 3959 - 3969 (2011/09/15)

For nuclear hydrometallurgical separation process development, it is necessary to demonstrate the stability of the extracting systems, since it is well known that radio- and hydrolytic degradation leads to undesirable effects, such as a decrease in selectivity, poorer phase separation and third-phase formation. Recently, we have developed a new family of bis-diglycolamide (bis-DGA) molecules with high distribution coefficients (D) for EuIII over AmIII. One of these bis-DGA extractants, namely, compound 1, showed high distribution coefficients even under gamma irradiation at 1000 kGy with external 60Co sources. We report herein a detailed account on the stability of 1 against radio- and hydrolysis. We have also identified and quantified the sub-products formed during the irradiation process. Qualitative and quantitative analyses of irradiated 1 were performed by HPLC-MS, indicating the presence of seventeen degradation compounds. All fragments (2-18) were identified and synthesized independently. To complete this study, the An III and LnIII extraction properties of these fragments were assessed under the same experimental conditions as those used to evaluate the AnIII and LnIII extraction by irradiated 1. Despite the significance of a decrease in the concentration of 1, Am/Eu D values are still quite high. This means that at least some degradation products also act as efficient extractants. It is relevant to remark that two of the major degradation products (compounds 3 and 11) are stable to radiation and showed high D values for AmIII and EuIII extraction. Compound 1, an extractant of AmIII and EuIII from nuclear waste, was irradiated with γ irradiation at 1000 kGy with external 60Co sources, resulting in 17 subproducts. These compounds were synthesized and qualitative and quantitative analyses of irradiated 1 were performed. Two of the major degradation products were stable to radiation and showed high D values for AmIII and EuIII extraction. Copyright

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