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193904-48-2

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193904-48-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 193904-48-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,9,0 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 193904-48:
(8*1)+(7*9)+(6*3)+(5*9)+(4*0)+(3*4)+(2*4)+(1*8)=162
162 % 10 = 2
So 193904-48-2 is a valid CAS Registry Number.

193904-48-2Relevant articles and documents

[FeIII(F20-tpp)Cl] Is an effective catalyst for nitrene transfer reactions and animation of saturated hydrocarbons with sulfonyl and aryl azides as nitrogen source under thermal and microwave-assisted conditions

Liu, Yungen,Che, Chi-Ming

experimental part, p. 10494 - 10501 (2010/10/21)

[FeIII(F20-tpp)Cl] (F20tpp = meso- tetrakis(pentafluorophenyl)porphyrinato dianion) is an effective catalyst for imido/nitrene insertion reactions using sulfonyl and aryl azides as nitrogen source. Under thermal conditions, aziridination of aryl and alkyl alkenes (16 examples, 60-95% yields), sulfimidation of sulfides (11 examples, 76-96% yields), allylic amidation/amination of α-methylstyrenes (15 examples, 68-83% yields), and amination of saturated C-H bonds including that of cycloalkanes and adamantane (eight examples, 64-80% yields) can be accomplished by using 2 mol % [FeIII(F20- tpp)Cl] as catalyst. Under microwave irradiation conditions, the reaction time of aziridination (four examples), allylic amination (five examples), sulfimidation (two examples), and amination of saturated C-H bonds (three examples) can be reduced by up to 16fold (24-48 versus 1.5-6 h) without significantly affecting the product yield and substrate conversion.

N1-arylsulfonyl-N2-(1-aryl)ethyl-3-phenylpropane-1,2-diamines as novel calcimimetics acting on the calcium sensing receptor

Dauban, Philippe,Ferry, Sandrine,Faure, Hélène,Ruat, Martial,Dodd, Robert H.

, p. 2001 - 2004 (2007/10/03)

The synthesis and calcimimetic properties of N1-arylsulfonyl-N2-(1-aryl)ethyl-3-phenylpropane-1,2-diamines are described. The most active compound of the series (3n, used at 10 μM) produced 974±11% of the maximal stimulation of [3H]IP production obtained by 10 mM Ca2+ in CHO cells expressing the calcium sensing receptor (CaSR). This calcimimetic activity was due to a specific interaction of this compound with the CaSR. (C) 2000 Elsevier Science Ltd.

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