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1-O-acetyl-2-O-benzoylpurpurin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

135240-97-0

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135240-97-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135240-97-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,2,4 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 135240-97:
(8*1)+(7*3)+(6*5)+(5*2)+(4*4)+(3*0)+(2*9)+(1*7)=110
110 % 10 = 0
So 135240-97-0 is a valid CAS Registry Number.

135240-97-0Relevant academic research and scientific papers

Simple synthesis of mono- and bismethyl ethers of purpurin (1,2,4-trihydroxyanthraquinone)

Allevi,Anastasia,Fiecchi,Sanvito,Scala

, p. 438 - 440 (1991)

All possible isomers of mono- and bismethyl ethers of purpurin (1,2,4-trihydroxyanthraquinone) were synthesized starting from purpurin.

Acidity scale for metal oxides and Sanderson's electronegativities of lanthanide elements

Jeong, Nak Cheon,Lee, Ji Sun,Tae, Eunju Lee,Lee, Young Ju,Yoon, Kyung Byung

supporting information; experimental part, p. 10128 - 10132 (2009/05/30)

(Figure Presented) Acid trip: A general scale that compares the acidities of metal oxides and sulfides quantitatively is presented, along with Sanderson's electronegativity values of lanthanides.

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