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1211580-68-5

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1211580-68-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1211580-68-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,1,5,8 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1211580-68:
(9*1)+(8*2)+(7*1)+(6*1)+(5*5)+(4*8)+(3*0)+(2*6)+(1*8)=115
115 % 10 = 5
So 1211580-68-5 is a valid CAS Registry Number.

1211580-68-5Relevant articles and documents

Synthesis of 6-SF5-indazoles and an SF5-analog of gamendazole

Kanishchev, Oleksandr S.,Dolbier, William R.

, p. 5793 - 5799 (2018)

This work describes an efficient synthetic approach for a new type of SF5-substituted heterocyclic system, namely 6-SF5-indazoles. During this study, various derivatives of 6-SF5-indazoles such as bromo, iodo, nitro, N-ace

Synthesis of 4-(pentafluorosulfanyl)benzenediazonium tetrafluoroborate and analogs and their application for the preparation of SF5-aromatics

-

Page/Page column 11; 12, (2016/02/05)

4-(pentafluorosulfanyl)benzenediazonium tetrafluoroborate salt was synthesized and isolated. The pentafluorosulfanyl salt was examined in a wide assortment of reactions to form novel SF5-bearing alkenes, alkynes, and biaryl derivatives using Heck-Matsuda, Sonogashira, and Suzuki coupling protocols. Dediazoniation of the salt furnished the corresponding p-SF5—C6H4X,C6H4OS(O)(CF3)═NSO2CF3, and p-SF5—C6H4-NTf2 derivatives. The azide derivative p-SF5—C6H4N3 entered into click chemistry with phenylacetylenes to furnish the corresponding triazoles. Various SF5-bearing alkenes were synthesized by coupling reactions using a metal catalyst. Fluorodediazoniation selectively furnished the fluoro derivative p-SF5—C6H4F. Homolytic dediazoniation gave the unsymmetrical biaryls, thus demonstrating the broad utility of pentafluorosulfanyl diazonium salts as building blocks of SF5-aromatics that are in high demand in many branches of chemistry including biomedicine and materials chemistry.

Oxidative nucleophilic substitution of hydrogen in nitro(pentafluorosulfanyl)benzenes with alkyl Grignard and lithium reagents

Vida, Norbert,Beier, Petr

, p. 130 - 134 (2012/11/13)

Alkyl Grignard and lithium reagents underwent nucleophilic addition to para- and meta-nitro(pentafluorosulfanyl)benzenes in ether solvents to form σH adducts, which were oxidized with potassium permanganate in liquid ammonia to yield products of oxidative nucleophilic substitution of hydrogen in moderate to good yields.

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