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71960-57-1

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71960-57-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71960-57-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,6 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71960-57:
(7*7)+(6*1)+(5*9)+(4*6)+(3*0)+(2*5)+(1*7)=141
141 % 10 = 1
So 71960-57-1 is a valid CAS Registry Number.

71960-57-1Relevant articles and documents

Design and Synthesis of Highly Potent HIV-1 Protease Inhibitors Containing Tricyclic Fused Ring Systems as Novel P2 Ligands: Structure-Activity Studies, Biological and X-ray Structural Analysis

Ghosh, Arun K.,Nyalapatla, R.Prasanth,Kovela, Satish,Rao, Kalapala Venkateswara,Brindisi, Margherita,Osswald, Heather L.,Amano, Masayuki,Aoki, Manabu,Agniswamy, Johnson,Wang, Yuan-Fang,Weber, Irene T.,Mitsuya, Hiroaki

, p. 4561 - 4577 (2018/05/31)

The design, synthesis, and biological evaluation of a new class of HIV-1 protease inhibitors containing stereochemically defined fused tricyclic polyethers as the P2 ligands and a variety of sulfonamide derivatives as the P2′ ligands are described. A numb

Allenyl Allylic Ethers: Synthesis and Thermal Rearrangements

Dulcere, Jean-Pierre,Crandall, Jack,Faure, Robert,Santelli, Maurice,Agati, Valerie,Mihoubi, Mohamed N.

, p. 5702 - 5708 (2007/10/02)

Application of the sequence halogenation/dehydrohalogenation/isomerization to alkenes 1a-g affords allenyl allylic ethers 5a-g.Thermal isomerizations of 5a,d,e proceed by Claisen rearrangement, while 5b,c,f,g are transformed by alternate modes of c

A Radical Cyclisation Route to α-Methylene-γ-butyrolactones

Srikrishna, Adusumilli

, p. 587 - 588 (2007/10/02)

A three-step synthesis of α-methylene-β-butyrolactones is described, via radical cyclisation of 2-bromoalkyl prop-2-ynyl ethers (5) to 3-methylenetetrahydrofurans (6) using a tin catalyst.

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