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(3S,4R,5S)-3-Benzenesulfonyl-5-benzyloxymethyl-4-hydroxymethyl-dihydro-furan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128100-23-2

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128100-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128100-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,0 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128100-23:
(8*1)+(7*2)+(6*8)+(5*1)+(4*0)+(3*0)+(2*2)+(1*3)=82
82 % 10 = 2
So 128100-23-2 is a valid CAS Registry Number.

128100-23-2Relevant academic research and scientific papers

Cyclofunctionalisation of epoxyalcohol derivatives. 4. Cyclisation of sulfonylacetate dianions: A synthesis of 'MeBMT'.

McCombie,Shankar,Ganguly

, p. 7029 - 7032 (2007/10/02)

α,α-Dianions, derived from arenesulfonylacetate esters of 2,3-epoxyalcohols, cyclised to give 3-arenesulfonyl-4-(1-hydroxyalkyl)-γ-butyrolactones. Dianion fragmentation to regenerate the epoxyalcohol was a competing, substrate-dependent process. Sulfonylactone (9) was elaborated efficiently to an advanced intermediate for the unusual aminoacid 'MeBMT' (5), and also to stereodefined cyclopropane derivatives.

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