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1156543-91-7

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1156543-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1156543-91-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,6,5,4 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1156543-91:
(9*1)+(8*1)+(7*5)+(6*6)+(5*5)+(4*4)+(3*3)+(2*9)+(1*1)=157
157 % 10 = 7
So 1156543-91-7 is a valid CAS Registry Number.

1156543-91-7Downstream Products

1156543-91-7Relevant articles and documents

Synthesis and antioxidant of activity of alkyl nitroderivatives of hydroxytyrosol

Gallardo, Elena,Palma-Valdés, Rocío,Sarriá, Beatriz,Gallardo, Irene,De La Cruz, José P.,Bravo, Laura,Mateos, Raquel,Espartero, José L.

, (2016/06/15)

A series of alkyl nitrohydroxytyrosyl ether derivatives has been synthesized from free hydroxytyrosol (HT), the natural olive oil phenol, in order to increase the assortment of compounds with potential neuroprotective activity in Parkinson's disease. In t

Preparation and antioxidant activity of tyrosyl and homovanillyl ethers

Madrona,Pereira-Caro,Bravo,Mateos,Espartero

, p. 1169 - 1178 (2012/05/05)

Preparation of tyrosyl and homovanillyl lipophilic derivatives was carried out as a response to the food industry's increasing demand for new synthetic lipophilic antioxidants. Tyrosyl and homovanillyl ethers were synthesized in high yields by a three-step procedure starting from tyrosol (Ty) and homovanillic alcohol (HMV). The antioxidant activity of these new series of alkyl tyrosyl and homovanillyl ethers was evaluated by the Rancimat test in a lipophilic food matrix and by the FRAP, ABTS and ORAC assays and compared to free Ty and HMV as well as two antioxidants widely used in the food industry, butylhydroxytoluene (BHT) and α-tocopherol. The results pointed out the higher activity of homovanillyl series in comparison with tyrosyl series with all the assayed methods. However, while both synthetic series were less antioxidant than BHT and α-tocopherol in a lipophilic matrix after their Rancimat test evaluation, homovanillyl alkyl ethers showed the best reducing power and radical scavenging activity of all evaluated compounds. This batch of synthetic lipophilic compounds, derived from biologically active compounds such as Ty and HMV, provide interesting and potentially bioactive compounds.

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