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C33H42O8Si2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138857-63-3

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138857-63-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138857-63-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,5 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138857-63:
(8*1)+(7*3)+(6*8)+(5*8)+(4*5)+(3*7)+(2*6)+(1*3)=173
173 % 10 = 3
So 138857-63-3 is a valid CAS Registry Number.

138857-63-3Relevant academic research and scientific papers

Lewis Acid-Catalysed Anomerisation and Rearrangement of Alkyl D-Glycopyranosides During Acetalisation with Methyl Pyruvate: How to Utilise it for the Preparation of 1-(Carboxyethylidene)glycopyranosyl Donors

Ziegler, Thomas,Eckhardt, Elisabeth,Herold, Gerhard

, p. 441 - 452 (2007/10/02)

The preparation of 4,6-O-(1-methoxycarbonylethylidene)-D-glycopyranosides 5 starting from 2,3-di-O-benzoyl-D-glycopyranosides 1 and their 4,6-bis-O-trimethylsilyl ethers 2 using methyl 2,2-bis(phenylthio)propionate (4) and methyl pyruvate (3), respectivel

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