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1220018-53-0

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1220018-53-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1220018-53-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,0,1 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1220018-53:
(9*1)+(8*2)+(7*2)+(6*0)+(5*0)+(4*1)+(3*8)+(2*5)+(1*3)=80
80 % 10 = 0
So 1220018-53-0 is a valid CAS Registry Number.

1220018-53-0Downstream Products

1220018-53-0Relevant articles and documents

Affinity adsorption mechanism studies of adsorbents C1-Zn(II) for uremic middle molecular peptides containing Asp-Phe-Leu-Ala-Glu sequence

Li, Pinglin,Fu, Lixue,Qiao, Yitao,Zhao, Jianxin,Wang, Wei,Yuan, Zhi

, p. 375 - 379 (2011)

To exploit efficient adsorbents for removing middle molecular peptides containing DFLAE (DE5, a typical peptide sequence accumulated in uremic serum) sequence by hemoperfusion, we designed and synthesized three affinity adsorbents (C1-Zn2+, C2-Zn2+ and C3-Zn2+) that could have high affinity to DE5. Subsequently, we evaluated the corresponding adsorption ability of each adsorbent by static adsorption experiments and isothermal titration calorimetry (ITC). The results showed that C1-Zn2+ had the best adsorption ability to DE5-containing peptides and the adsorption capacity for DE5 was 8.52 mg/g. By changing the adsorption conditions, the adsorption mechanism was elucidated. The main driving force of the adsorption is metal-carboxyl coordination and the hydrophobic force affords the cooperative effect. It is expected that our present work can provide basic understanding for the design of adsorbents with high affinity and selectivity towards oligopeptides.

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