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40634-95-5

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40634-95-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40634-95-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,3 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 40634-95:
(7*4)+(6*0)+(5*6)+(4*3)+(3*4)+(2*9)+(1*5)=105
105 % 10 = 5
So 40634-95-5 is a valid CAS Registry Number.

40634-95-5Relevant articles and documents

Access to amphiphilic cis-configurated polyamide-3 using alcohols as initiators

Maiatska, Olga,Belkin, Alexander,Ritter, Helmut

, p. 2367 - 2369 (2015)

The synthesis of polyamide-3 from 4a,5,8,8a-tetrahydro-1H-benzo[d][1,3]oxazine-2,4-dione (β-NCA, 1) using methanol, dye (Disperse Red 13), and poly(ethylene glycol) as initiator is described. The ring-opening polymerization under release of CO2 produces polyamides-3 with definite terminal groups, high purity, and relatively narrow dispersity. This route was used for preparation of block copolymers from as an example.

2-Methyl-4,5-dihydroimidazole as a Doubly Nucleophilic Unit: Preparation of Dihydroimidazole Azaprostanoids

Jones, Raymond C. F.,Schofield, Julie

, p. 375 - 383 (2007/10/02)

2-Methyl-4,5-dihydroimidazole is incorporated as a doubly nucleophilic synthon, by successive alkylations at N-1 and C-2(Me), into monocyclic 9,12- and 8,11-diazaprostanoids containing the dihydroimidazole moiety. 2-Methyl-3a,4,7,7a-tetrahydrobenzimidazole is prepared (from 1,2,3,6-tetrahydrophthalic anhydride) and elaborated in the same way into a diazaprostacyclin precursor.

Stereocontrolled Syntheses for the Six Diastereomeric 1,2-Dihydroxy-4,5-diaminocyclohexanes: PtII Complexes and P-388 Antitumor Properties

Witiak, Donald T.,Rotella, David P.,Filppi, Joyce A.,Gallucci, Judith

, p. 1327 - 1336 (2007/10/02)

Stereocontrolled syntheses for the six diastereomeric 1,2-dihydroxy-4,5-diaminocyclohexanes 3a-f from cyclohexene diamines cis-4 and trans-5 are described.Cbz-protected species cis-9 and trans-11, respectively, served as a source of stable Cbz-protected p

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