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(2R,3aR,9aR)-2-(2,4-Dinitro-phenylamino)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-5,7-disila-cyclopentacycloocten-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

402725-31-9

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402725-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 402725-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,7,2 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 402725-31:
(8*4)+(7*0)+(6*2)+(5*7)+(4*2)+(3*5)+(2*3)+(1*1)=109
109 % 10 = 9
So 402725-31-9 is a valid CAS Registry Number.

402725-31-9Relevant academic research and scientific papers

Synthesis of Fluorinated Carbocyclic Nucleosides: Preparation of (+/-)-Carbocyclic-FMAU and some Congeners

Biggadike, Keith,Bortwick, Alan D.,Evans, Derek,Exall, Anne M.,Kirk, Barrie E.,et al.

, p. 251 - 254 (1987)

The alcohols (7) and (19) and the ketone (28) were treated with diethylaminosulphur trifluoride (DAST) to give the fluoro-compounds (8), (21), and (29) respectively: compound (8) was converted into the potential anti-viral agents carbocyclic-FMAu (14) and

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