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753488-76-5

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753488-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 753488-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,3,4,8 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 753488-76:
(8*7)+(7*5)+(6*3)+(5*4)+(4*8)+(3*8)+(2*7)+(1*6)=205
205 % 10 = 5
So 753488-76-5 is a valid CAS Registry Number.

753488-76-5Upstream product

753488-76-5Downstream Products

753488-76-5Relevant articles and documents

Allyl, methallyl, prenyl, and methylprenyl ethers as protected alcohols: Their selective cleavage with diphenyldisulfone under neutral conditions

Markovic, Dean,Vogel, Pierre

, p. 2693 - 2696 (2007/10/03)

Diphenyldisulfone is a mild and efficient reagent for selective cleavage of methylprenyl (2,3-dimethylbut-2-en-1-yl), prenyl (3-methylbut-2-en1-yl), and methallyl (2-methylallyl) ethers. These reaction conditions are compatible with the presence of other protecting groups such as acetals, acetates, and allyl, benzyl, and TBDMS ethers. Exposure of 2,3-dimethylbut-2-en-1-yl and 3-methylbut-2-en1-yl ethers to diphenyldisulfone led to the formation of 2,3-dimethylbuta-1,3-diene and isoprene, respectively. 2-Methylallyl ethers undergo isomerization to 2-methylpropenyl ethers, which are easily hydrolyzed into the corresponding free alcohols and isobutyraldehyde.

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