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488829-83-0

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488829-83-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 488829-83-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,8,8,2 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 488829-83:
(8*4)+(7*8)+(6*8)+(5*8)+(4*2)+(3*9)+(2*8)+(1*3)=230
230 % 10 = 0
So 488829-83-0 is a valid CAS Registry Number.

488829-83-0Downstream Products

488829-83-0Relevant articles and documents

Stereocontrolled synthesis of anticancer β-lactams via the Staudinger reaction

Banik, Bimal K.,Banik, Indrani,Becker, Frederick F.

, p. 3611 - 3622 (2007/10/03)

Stereocontrolled synthesis of novel β-lactams using polyaromatic imines following the Staudinger reaction has been accomplished. The effects of domestic microwave irradiation on this type of reaction have been investigated. Formation of trans-β-lactams has been explained through isomerization of the enolates formed during the reaction of acid chloride (equivalent) with imines in the presence of triethylamine. A donor-acceptor complex pathway is believed to be involved in the formation of cis-β-lactams. The effect of a peri hydrogen has been found to be significant in controlling the stereochemistry of the resulting β-lactams. SAR has identified β-lactams with anticancer activity. The presence of an acetoxy group has proven obligatory for their anticancer activity.

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