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156276-57-2

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156276-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156276-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,7 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156276-57:
(8*1)+(7*5)+(6*6)+(5*2)+(4*7)+(3*6)+(2*5)+(1*7)=152
152 % 10 = 2
So 156276-57-2 is a valid CAS Registry Number.

156276-57-2Relevant academic research and scientific papers

Preparation and structure-chiroptical relationships of tartaric acid-based layer-block chiral dendrimers

Chow, Hak-Fun,Mak, Chi Ching

, p. 91 - 96 (2007/10/03)

Two optically active, diastereoisomeric, first generation layer-block dendrimers 1 and 2 have been prepared by a convergent synthetic procedure.These chiral, layer-block dendrimers utilize 4-tert-butylphenoxy moieties as the surface groups and phlorogluci

Synthesis and chiroptical properties of optically active layer-block dendrimers

Mak, Chi Ching,Chow, Hak-Fun

, p. 1185 - 1186 (2007/10/03)

The syntheses of two different homochiral, layered-block dendrimers 1 and 2 are reported; the chiral units used in the construction of these two first-generation dendrimers are derivatives of (D)- and (L)-tartaric acid; for these low generation dendrimers

Synthesis and characterization of optically active, homochiral dendrimers

Chow, Hak-Fun,Fok, Lai Fan,Mak, Chi Ching

, p. 3547 - 3550 (2007/10/02)

The first synthesis and optical activity measurement of homochiral, monodisperse dendrimers is reported. Optically active (2R,3R)-tartaric acid is used to construct the zero and first-generation optically active, homochiral dendrimers 1 and 2 in good yiel

Synthesis and Structure-Optical Rotation Relationships of Homochiral, Monodisperse, Tartaric Acid-based Dendrimers

Chow, Hak-Fun,Mak, Chi Ching

, p. 2223 - 2228 (2007/10/02)

Optically active, homochiral dendrimers of both the zeroth generation 1 and first generation 2 have been synthesized from (2R,3R)-tartaric acid and phloroglucinol by an iterative, convergent method.These chiral dendrimers comprise 4-tert-butylphenoxy as t

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