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b-D-Glucopyranose, cyclic1,6-[(1S)-4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate]3-(3,4,5-trihydroxybenzoate) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

130233-85-1

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130233-85-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130233-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,3 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 130233-85:
(8*1)+(7*3)+(6*0)+(5*2)+(4*3)+(3*3)+(2*8)+(1*5)=81
81 % 10 = 1
So 130233-85-1 is a valid CAS Registry Number.

130233-85-1Downstream Products

130233-85-1Relevant academic research and scientific papers

Tannins and related compounds. CXVIII. Structures, preparation, high-performance liquid chromatography and some reactions of dehydroellagitannin-acetone condensates

Tanaka,Fujisaki,Nonaka,Nishioka

, p. 2937 - 2944 (2007/10/02)

The dehydroellagitannins having a dehydrohexahydroxydiphenoyl ester group in the molecule were found to undergo highly regio- and stereospecific condensation with acetone in the presence of ammonium ion under almost neutral conditions. This reaction was s

TWO NEW ELLAGITANNIN METABOLITES, CARPINUSIN AND CARPINUSNIN FROM CARPINUS LAXIFLORA

Nonaka, Gen-ichiro,Akazawa, Michiko,Nishioka, Itsuo

, p. 597 - 606 (2007/10/02)

From the fresh leaves of Carpinus laxiflora (Betulaceae), two new hydrolyzable tannins, carpinusin (2) and carpinusnin (3), have been isolated, together with thirteen known hydrolyzable tannins and related compounds, and their structures were elucidated on the basis of physico-chemical evidence.

REACTION OF DEHYDROELLAGITANNINS WITH L-CYSTEINE METHYL ESTER

Tanaka, Takashi,Fujisaki, Hiroshi,Nonaka, Gen-ichiro,Nishioka, Itsuo

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

Reaction of dehydroellagitannins (e.g. 1) with L-cysteine methyl ester (5) at room temperature yielded the condensation products (e.g. 3 and 4), together with a partial hydrolysate (e.g. 2), while heating the mixture at 80 deg C afforded 4 and the hydrolysate (2) in fairly good yields.In addition, reduction of a dehydrohexahydroxydiphenoyl ester group to a hexahydroxy-diphenoyl group with thiols is also described.

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