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242143-00-6

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242143-00-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 242143-00-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,2,1,4 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 242143-00:
(8*2)+(7*4)+(6*2)+(5*1)+(4*4)+(3*3)+(2*0)+(1*0)=86
86 % 10 = 6
So 242143-00-6 is a valid CAS Registry Number.

242143-00-6Relevant articles and documents

Metal-free oxidative esterification of benzylated monosaccharides

Camara, Tchambaga,Bil, Abed,Chagnault, Vincent

, p. 45 - 49 (2018/04/20)

Methyl glyconates have been attracting considerable attention as intermediates for the preparation of aryl C-glycosides, polyphenolic products, aliphatic polyesters, SGLT2 inhibitors, antibiotics etc … In view of the interest in those compounds, we report herein our work on the synthesis of methyl glyconates using an oxidative esterification carried out by molecular iodine. This reaction is catalyzed by non-toxic K4Fe(CN)6 that releases a small amount of cyanide ion into the reaction mixture. Four benzylated carbohydrates which contain a hemiacetalic functional group have been tested successfully.

Ring-opened 4-hydroxy-δ-valerolactone subunit as a key structural fragment of polyesters that degrade without acid formation

Nifant'ev, Ilya E.,Shlyakhtin, Andrey V.,Bagrov, Vladimir V.,Ezhov, Roman N.,Lozhkin, Boris A.,Churakov, Andrei V.,Ivchenko, Pavel V.

, p. 629 - 631 (2018/12/13)

Random copolymers of ?-caprolactone with O-benzyl-protected 4-hydroxy- or 2,4-dihydroxy-δ-valerolactone after hydrogenation form γ-hydroxy functionalized polyesters that degrade via the cyclization to γ-butyrolactone fragments without carboxylic acid formation.

Regioselective and diastereoselective amination of polybenzyl ethers using chlorosulfonyl isocyanate: Total syntheses of 1,4-dideoxy-1,4-imino-D-arabinitol and (-)-lentiginosine

Kim, In Su,Zee, Ok Pyo,Jung, Young Hoon

, p. 4101 - 4104 (2007/10/03)

The total syntheses of DAB1 (1) and (-)-lentiginosine (2) were concisely accomplished from D-lyxose via regioselective and diastereoselective NHCbz introduction using CSI, chemoselective removal of the Cbz protection, and ring-closing metathesis as key steps.

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