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49593-57-9

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49593-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 49593-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,5,9 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 49593-57:
(7*4)+(6*9)+(5*5)+(4*9)+(3*3)+(2*5)+(1*7)=169
169 % 10 = 9
So 49593-57-9 is a valid CAS Registry Number.

49593-57-9Relevant articles and documents

Organosilane sulfonated graphene oxide in the Biginelli and Biginelli-like reactions

Safari, Javad,Gandomi-Ravandi, Soheila,Ashiri, Samira

, p. 512 - 520 (2016)

Organosilane sulfonated graphene oxides (SSi-GO) have been synthesized by a two-step procedure involving the grafting of graphene oxide (GO) using 3-chloropropyltriethoxysilane (CCPTES) and subsequent oxidation using sulfanilic acid. It has been shown tha

Green Biginelli-type Reaction: Solvent-free Synthesis of 5-unsubstituted 3,4-dihydropyrimdin-2(1H)-ones

Wang, Min,Song, Jilei,Lu, Qilin,Wang, Qinglin

, p. 1907 - 1910 (2015/11/09)

The Biginelli-type compounds, 5-unsubstituted 3,4-dihydropyrimdin-2(1H)-ones were synthesized by a one-pot three-component condensation of aromatic aldehydes, aromatic ketones and urea in the presence of SnCl4 · 5H2O under solvent-fr

Synthesis of 3,4-dihydropyrimidin-2(1H)ones and 3,4,5,6,7,8- hexahydroquinazolin-2(1H)-ones via three component cyclocondensation

Phucho,Nongpiur,Nongrum,Nongkhlaw

experimental part, p. 346 - 350 (2010/10/03)

3,4 Dihydropyrimidin-2(1H)-ones and 3,4,5,6,7,8-hexahydroquinazolin-2(1H)- ones have been synthesized from the condensation of ketones, aldehydes and urea/thiourea in the presence of sodium tertiary butoxide by the solventless microwave irradiation (MWI)

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