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2-Methoxy-5-methyl-5-phenylselanylmethyl-[1,2]oxaphospholane 2-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

205644-59-3

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205644-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205644-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,6,4 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 205644-59:
(8*2)+(7*0)+(6*5)+(5*6)+(4*4)+(3*4)+(2*5)+(1*9)=123
123 % 10 = 3
So 205644-59-3 is a valid CAS Registry Number.

205644-59-3Downstream Products

205644-59-3Relevant academic research and scientific papers

Electrophilic heteroatom cyclization of ω-alkenylphosphonic acid half esters giving cyclic phosphonates (phostones)

Yokomatsu, Tsutomu,Shioya, Yoshihito,Iwasawa, Haruo,Shibuya, Shiroshi

, p. 463 - 472 (2007/10/03)

Electrophilic heteroatom cyclizations of oalkenylphosphonic acid half esters (4a-d) with NBS or phenylselenenyl chloride were examined to give the cyclic phosphonates (phostones) (6a-d and 7a-d). The phenyselenomethylphostone (7c) was converted to the ace

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