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1218933-56-2

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1218933-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1218933-56-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,8,9,3 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1218933-56:
(9*1)+(8*2)+(7*1)+(6*8)+(5*9)+(4*3)+(3*3)+(2*5)+(1*6)=162
162 % 10 = 2
So 1218933-56-2 is a valid CAS Registry Number.

1218933-56-2Relevant articles and documents

Magnetic spent coffee ground as an efficient and green catalyst for aerobic oxidation of alcohols and tandem oxidative Groebke–Blackburn–Bienaymé reaction

Farhid, Hassan,Shaabani, Ahmad

, p. 1199 - 1209 (2021)

Abstract: In this work, magnetic spent coffee ground as a green, inexpensive, and abundant material was synthesized and characterized by a variety of techniques, including X-ray diffraction pattern, thermal gravimetric analysis, scanning electron microscopy, energy-dispersive spectroscopy, inductively coupled plasma optical emission spectrometry, and Fourier transform infrared spectroscopy. The magnetic spent coffee ground was successfully utilized as a catalyst in aerobic oxidation of primary and secondary benzylic alcohols and tandem oxidative Groebke–Blackburn–Bienaymé reaction. Graphic abstract: [Figure not available: see fulltext.].

Magnetic mesoporous poly-melamine–formaldehyde: an efficient and recyclable catalyst for straightforward one-pot synthesis of imidazo[1,2-a]pyridines

Heydari, Mohammad,Azizi, Najmedin,Mirjafari, Zohreh,Hashemi, Mohammad Mahmoudi

, p. 2357 - 2363 (2019/06/28)

Abstract: Magnetically separable mesoporous poly-melamine–formaldehyde nanocomposite (Fe3O4@mPMF) has been synthesized and characterized by FTIR spectroscopy, SEM, XRD spectroscopy and EDS. The magnetically separable Fe3O

Green synthesis of imidazo[1,2-a]pyridines using calix[6]arene-SO3H surfactant in water

Esmaielzade Rostami, Mahshid,Gorji, Banafsheh,Zadmard, Reza

, p. 2393 - 2398 (2018/05/25)

In this research, green synthesis of imidazo[1,2-a]pyridines in the presence of calix[n]arenes-SO3H as a Br?nsted acid catalyst and surfactant is described. Using of calix[n]arenes in water provided a hydrophobic cavity that successfully carried out the synthesis reactions at short times with high yields. This catalyst system is recoverable with a simple extraction using an organic solvent and reusable for at least for 5 cycles without any losses of its activity.

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