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153864-60-9

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153864-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153864-60-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,8,6 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 153864-60:
(8*1)+(7*5)+(6*3)+(5*8)+(4*6)+(3*4)+(2*6)+(1*0)=149
149 % 10 = 9
So 153864-60-9 is a valid CAS Registry Number.

153864-60-9Relevant articles and documents

Oxidation of hydrazones by hypervalent organoiodine reagents: Regeneration of the carbonyl group and facile syntheses of α-acetoxy and α-alkoxy azo compounds

Barton, Derek H. R.,Jaszberenyi, Joseph Cs.,Liu, Wansheng,Shinada, Tetsuro

, p. 14673 - 14688 (1996)

Various hydrazone derivatives of α-keto esters were prepared. The carbonyl group was readily regenerated in high yield from phenylhydrazones through oxidative hydrolysis using hypervalent organoiodine(III) reagents either bis(trifluoroacetoxy)-iodobenzene (BTIB) in aqueous acetonitrile or hydroxy(tosyloxy)iodobenzene (HTIB) in chloroform. α-Acotxy phenyl- or methylazo compounds were readily synthesized by oxidation of the corresponding hydrazones with iodobenzene diacetate (IBDA) in dichloromethane or acetic acid. α-Methoxy phenyl- or methylazo compounds were also prepared by oxidation of the hydrazones in methanol. The mechanisms of the oxidation reactions are discussed.

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