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756524-03-5

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756524-03-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 756524-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,6,5,2 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 756524-03:
(8*7)+(7*5)+(6*6)+(5*5)+(4*2)+(3*4)+(2*0)+(1*3)=175
175 % 10 = 5
So 756524-03-5 is a valid CAS Registry Number.

756524-03-5Relevant articles and documents

Practical synthesis of β-acyl and β-alkoxycarbonyl heterocyclic sulfones

Pospisil, Jiri,Sato, Hitoshi

, p. 2269 - 2272 (2011)

A short and efficient synthesis for β-acyl and β-alkoxycarbonyl heterocyclic sulfones containing benzothiazol (BT) and phenyltetrazol (PT) heterocyclic core is presented here. The method seems to be general and provides the desired C-nucleophiles in very good to excellent yields from readily available starting materials.

Fluorinated 1-phenyl-1H-tetrazol-5-yl sulfone derivatives as general reagents for fluoroalkylidene synthesis

Ghosh, Arun K.,Zajc, Barbara

supporting information; experimental part, p. 8531 - 8540 (2009/12/30)

(Figure Presented) Julia - Kocienski olefination reagents 1-fluoropropyl, (cyclopropyl)fluoromethyl, 1-fluoro-2-methyl-2-propenyl, and 1-fluoro-5-hexenyl 1-phenyl-1H-tetrazol-5-yl (PT) sulfones were prepared by metalation followed by electrophilic fluorin

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