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1,2,5-Trioxaspiro[5.5]undecane-9-ethanol, 9-hydroxy-3-(1-phenylethenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

872891-55-9

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872891-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 872891-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,8,9 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 872891-55:
(8*8)+(7*7)+(6*2)+(5*8)+(4*9)+(3*1)+(2*5)+(1*5)=219
219 % 10 = 9
So 872891-55-9 is a valid CAS Registry Number.

872891-55-9Relevant academic research and scientific papers

Protection of the carbonyl group as 1,2,4-trioxane and its regeneration under basic conditions

Singh, Chandan,Malik, Heetika

, p. 5673 - 5676 (2005)

(Chemical Equation Presented) An experimental protocol demonstrating the protection of the carbonyl group as 1,2,4-trioxane, the stability of the protecting group under a variety of reaction conditions, and the regeneration of the carbonyl group with Triton B in THF at room temperature is presented. The method provides a useful alternative for the protection of carbonyl compounds having acid-sensitive moieties.

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