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144459-98-3

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144459-98-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144459-98-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,4,5 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 144459-98:
(8*1)+(7*4)+(6*4)+(5*4)+(4*5)+(3*9)+(2*9)+(1*8)=153
153 % 10 = 3
So 144459-98-3 is a valid CAS Registry Number.

144459-98-3Relevant articles and documents

Propane phosphonic acid anhydride: a new promoter for the one-pot Biginelli synthesis of 3,4-dihydropyrimidin-2(1H)-ones

Zumpe, Franz L.,Flü?, Melanie,Schmitz, Krischan,Lender, Andreas

, p. 1421 - 1423 (2007)

Propane phosphonic acid anhydride has been found to promote the Biginelli synthesis of 3,4-dihydropyrimidin-2(1H)-ones. The use of this agent is characterized by moderate costs, low toxicity and simple workup conditions.

A green approach to synthesize dihydropyrimidinone derivatives by using anhydrous ZnCl2 catalyst under refluxing condition in heptane-toluene medium via Biginelli reaction

Akhter, Kawsari,Jahan, Khorshada,Romman,Ahmed, M. Giasuddin,Rahman, Md. Sharifur,Al-Amin

, p. 2624 - 2626 (2015)

Aldehydes, 1a-g (1a, Ar = 4-Cl-C6H4, 1b, Ar = 4-CH3-C6H4, 1c, Ar = 2-Cl-C6H4, 1d, Ar = 2-CH3-C6H4, 1e, Ar = -C6H5, Ar = 4-Cl-C6/

Synthesis and characterization of nano acid catalyst derived from rice husk silica and its application for the synthesis of 3,4-dihydropyrimidinones/thiones compounds

Davarpanah, Jamal,Sayahi, Mohammad Hosein,Ghahremani, Mahboubeh,Karkhoei, Sahar

, p. 546 - 555 (2019/01/21)

In the present work, the extraction of silica nanoparticles from the rice husk followed by the modification using an acidic ionic liquid containing imidazolium butyl sulfonic acid through a sol-gel method (RH@[SiPrImBuSO3H]Cl) has been investig

A Cu(II) metal-organic framework with significant H2 and CO2 storage capacity and heterogeneous catalysis for the aerobic oxidative amination of C(sp3)-H bonds and Biginelli reactions

Gupta, Anoop K.,De, Dinesh,Tomar, Kapil,Bharadwaj, Parimal K.

, p. 1624 - 1634 (2018/02/09)

A Cu(ii) metal-organic framework, {[Cu2(L)(H2O)2]·(5DMF)(4H2O)}n (1), has been synthesized using an angular tetracarboxylic acid ligand (H4L) incorporating both trifluoromethyl (-CF3/

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